{"title":"DIY Parts \u0026 Components","description":"\u003cp\u003eShop DIY parts and electronic components for your projects and repairs. Everything you need for hands-on electronics work.\u003c\/p\u003e","products":[{"product_id":"ttgo-ov2640-standard-extended-single-lens-camera-module-for-t-camera-plus-esp32-dowdq6-8mb-spram-standard-extended-single-lens","title":"TTGO OV2640 Standard Extended Single Lens Camera Module for T-Camera Plus ESP32-DOWDQ6 8MB SPRAM, Standard Extended Single Lens","description":"1. Product series: camera module \u003cbr\u003e2. Model: OV2640 \u003cbr\u003e3. Purpose: video recorder \u003cbr\u003e4. Power: 3.3W \u003cbr\u003e5. Adapt to T-Camera Plus ESP32-DOWDQ6 8MB SPRAM\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Standard Extended Single Lens","offer_id":44039446265944,"sku":"DCA1339","price":26.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DCA1339.jpg?v=1777257314"},{"product_id":"jl0924-3-5mm-rca-jack-connector-10-pcs-in-one-package-the-price-is-for-10-pcs-jl0924-3-5mm-rca-red-jl0924-3-5mm-rca-black","title":"JL0924 3.5mm RCA Jack Connector (10 Pcs in One Package, the Price is for 10 Pcs), JL0924 3.5mm RCA (Red)","description":"1. Color: Golden \u003cbr\u003e2. Material: Iron + PA66 \u003cbr\u003e3. Withstand voltage: AC 500V (50Hz)\/min \u003cbr\u003e4. Rated load: DC 50V 0.2A \u003cbr\u003e5. 10 pieces will be shipped \u003cbr\u003e6. Dimensions: 5.8 cm x 1.2 cm x 1.2 cm\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"JL0924 3.5mm RCA (Red) \/ S-DIY-0358B","offer_id":44039447806040,"sku":"S-DIY-0358B","price":5.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/S-DIY-0358B.jpg?v=1784949293"},{"product_id":"50w-mp3-stereo-audio-digital-power-amplifier-board-bluetooth-amplifier-module-without-shell-without-shell","title":"50W MP3 Stereo Audio Digital Power Amplifier Board Bluetooth Amplifier Module, without Shell, Without Shell","description":"1. Using the rotary encoder used in high-end speakers, stepless tuning, smooth hand feel, one-key start and stop \u003cbr\u003e2. High-quality all-copper DC plug, long life \u003cbr\u003e3. 3.5mm audio output, connected to active power box \u003cbr\u003e4. Free large area heat sink \u003cbr\u003e5. Number of channels: Left and right dual channel (stereo) \u003cbr\u003e6. Protection mechanism: Power reverse connection protection, short circuit protection, self-recovery overheat protection \u003cbr\u003e7. Purpose: Bluetooth speaker amplifier motherboard \u003cbr\u003e8. Bluetooth version: 5.0 \u003cbr\u003e9. Adapter speaker: 0-200W 4 ohm 8 ohm 16 ohm \u003cbr\u003e10. Transmission distance: 15 meters (without blocking) \u003cbr\u003e11. Supply voltage: DC 5-24V \u003cbr\u003e12. Dimensions: 56x50x18mm\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Without Shell","offer_id":44039449935960,"sku":"DIY0542","price":14.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0542.jpg?v=1777257460"},{"product_id":"ttgo-t-beamv1-0-esp32-chipset-bluetooth-wifi-module-923mhz-lora-neo-6m-gps-module-with-sma-antenna-original-version-original-version-923mhz","title":"TTGO T-Beamv1.0 ESP32 Chipset Bluetooth WiFi Module 923MHz LoRa NEO-6M GPS Module with SMA Antenna, Original Version, Original Version 923MHz","description":"1. Working voltage: 1.8~13.7V \u003cbr\u003e2. Acceptable current: 10~114mA \u003cbr\u003e3. Emission current: \u003cbr\u003e- 120mA at + 20dBm \u003cbr\u003e- 90 mA lies at +17dBm \u003cbr\u003e- 29mA at +13dBm \u003cbr\u003e4. Working frequency: 923MHz \u003cbr\u003e5. Transmitting power: + 20dBm \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 139dBm lies at LoRa \u0026amp; 62.5Khz \u0026amp; SF = 12 \u0026amp; 146bps \u003cbr\u003e- 136dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 12 \u0026amp; 293bps \u003cbr\u003e- 118dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 6 \u0026amp; 9380bps \u003cbr\u003e- 123dBm lies at FSK \u0026amp; 5Khz \u0026amp; 1.2Kbps \u003cbr\u003e7. Frequency error: +\/- 15KHz \u003cbr\u003e8. FIFO space: 64Byte \u003cbr\u003e9. Data rate: \u003cbr\u003e-1.2K~1300Kbps at FSK \u003cbr\u003e-0.018K~37.5Kbps at LoRa \u003cbr\u003e10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK \u003cbr\u003e11. Interface form: SPI \u003cbr\u003e12. Sleep current: \u003cbr\u003e- 0.2uA SLEEP \u003cbr\u003e- 1.5uA IDLE \u003cbr\u003e13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius \u003cbr\u003e14. Digital RSSI function \u003cbr\u003e15. Automatic frequency correction \u003cbr\u003e16. Automatic gain control \u003cbr\u003e17. Low voltage detection and temperature sensor \u003cbr\u003e18. Fast wake-up and frequency hopping \u003cbr\u003e19. Highly configurable packet handler \u003cbr\u003e20. Global Positioning System \u003cbr\u003e21. GPS module NEO-6M, 3V-5V power supply universal \u003cbr\u003e22. Designated module with ceramic antenna, super signal \u003cbr\u003e23. Save configuration parameter data EEPROM Down \u003cbr\u003e24. Battery with data backup \u003cbr\u003e25. LED signal indicator \u003cbr\u003e26. Default baud rate: 9600 \u003cbr\u003e27. Power: TP5400, 1A battery management \u003cbr\u003e28. LED indicator \u003cbr\u003e29. CP2104-GMR \u003cbr\u003e30. Pre-flash firmware: SoftRF V4.0 \u003cbr\u003e \u003cbr\u003eThis product is based on LoRa radio frequency, 868MHz (common in North America), 915MHz (common in Europe) and 433MHz (common in Asia Pacific)\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Original Version 923MHz","offer_id":44039451115608,"sku":"DIY6163","price":116.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6163.jpg?v=1777257532"},{"product_id":"ttgo-t-beamv1-0-esp32-chipset-bluetooth-wifi-module-868mhz-lora-neo-6m-gps-module-with-sma-antenna-original-version-original-version-868mhz","title":"TTGO T-Beamv1.0 ESP32 Chipset Bluetooth WiFi Module 868MHz LoRa NEO-6M GPS Module with SMA Antenna, Original Version, Original Version 868MHz","description":"1. Working voltage: 1.8~13.7V \u003cbr\u003e2. Acceptable current: 10~114mA \u003cbr\u003e3. Emission current: \u003cbr\u003e- 120mA at + 20dBm \u003cbr\u003e- 90 mA lies at +17dBm \u003cbr\u003e- 29mA at +13dBm \u003cbr\u003e4. Working frequency: 923MHz \u003cbr\u003e5. Transmitting power: + 20dBm \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 139dBm lies at LoRa \u0026amp; 62.5Khz \u0026amp; SF = 12 \u0026amp; 146bps \u003cbr\u003e- 136dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 12 \u0026amp; 293bps \u003cbr\u003e- 118dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 6 \u0026amp; 9380bps \u003cbr\u003e- 123dBm lies at FSK \u0026amp; 5Khz \u0026amp; 1.2Kbps \u003cbr\u003e7. Frequency error: +\/- 15KHz \u003cbr\u003e8. FIFO space: 64Byte \u003cbr\u003e9. Data rate: \u003cbr\u003e-1.2K~1300Kbps at FSK \u003cbr\u003e-0.018K~37.5Kbps at LoRa \u003cbr\u003e10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK \u003cbr\u003e11. Interface form: SPI \u003cbr\u003e12. Sleep current: \u003cbr\u003e- 0.2uA SLEEP \u003cbr\u003e- 1.5uA IDLE \u003cbr\u003e13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius \u003cbr\u003e14. Digital RSSI function \u003cbr\u003e15. Automatic frequency correction \u003cbr\u003e16. Automatic gain control \u003cbr\u003e17. Low voltage detection and temperature sensor \u003cbr\u003e18. Fast wake-up and frequency hopping \u003cbr\u003e19. Highly configurable packet handler \u003cbr\u003e20. Global Positioning System \u003cbr\u003e21. GPS module NEO-6M, 3V-5V power supply universal \u003cbr\u003e22. Designated module with ceramic antenna, super signal \u003cbr\u003e23. Save configuration parameter data EEPROM Down \u003cbr\u003e24. Battery with data backup \u003cbr\u003e25. LED signal indicator \u003cbr\u003e26. Default baud rate: 9600 \u003cbr\u003e27. Power: TP5400, 1A battery management \u003cbr\u003e28. LED indicator \u003cbr\u003e29. CP2104-GMR \u003cbr\u003e30. Pre-flash firmware: SoftRF V4.0 \u003cbr\u003e \u003cbr\u003eThis product is based on LoRa radio frequency, 868MHz (common in North America), 915MHz (common in Europe) and 433MHz (common in Asia Pacific)\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Original Version 868MHz","offer_id":44039453737048,"sku":"DIY6161","price":120.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6161.jpg?v=1777257629"},{"product_id":"jl0056-6-36mm-audio-jack-connector-10-pcs-in-one-package-the-price-is-for-10-pcs-jl0056-6-36mm-audio","title":"JL0056 6.36mm Audio Jack Connector (10 Pcs in One Package, the Price is for 10 Pcs), JL0056 6.36mm Audio","description":"1. Material: Iron \u003cbr\u003e2. Withstand voltage: AC 500V (50Hz)\/min \u003cbr\u003e3. Rated load: DC 50V 0.2A \u003cbr\u003e4. 10 pieces will be shipped \u003cbr\u003e5. Dimensions: 8.0 cm x 1.2 cm x 1.2 cm\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"JL0056 6.36mm Audio","offer_id":44039464943704,"sku":"S-DIY-0356","price":4.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/S-DIY-0356.jpg?v=1777258176"},{"product_id":"10-pcs-matrix-1-x-5-keys-membrane-switch-keypad","title":"10 PCS Matrix 1 x 5 Keys Membrane Switch Keypad","description":"1. Made of quality material, durable to use. \u003cbr\u003e2. 6 pins pitch connector, 1x5 type 5 keys. \u003cbr\u003e3. White sticker can peel off for adhesive mounting. \u003cbr\u003e4. The back can be firmly fixed to the chassis surface. \u003cbr\u003e5. Used widely in industrial and home electronic equipments, instrument, etc.\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039466287192,"sku":"S-PC-5340","price":26.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/S-PC-5340.jpg?v=1777258270"},{"product_id":"ttgo-t-internet-poe-esp3-module-downloader-extension-board-downloader-board","title":"TTGO T-Internet-POE ESP3 Module Downloader Extension Board, Downloader Board","description":"Hardware Specifications \u003cbr\u003e1. Chipset: ESPRESSIF-ESP32-WROOM, LAN8720A Ethernet chip, SI 3404 power management chip \u003cbr\u003e 2. Flash: 4MB \u003cbr\u003e3. PSRAM: 8MB \u003cbr\u003e4. SRAM: 520 kB SRAM \u003cbr\u003e5. Button: robot, rest \u003cbr\u003e6. External device: TF card slot, C-type interface, PA2369NL 1825-S transformer, HR861153C Ethernet-POE interface \u003cbr\u003e7. USB to TTL: CP 2104 \u003cbr\u003e8. Modular interface: SD card, UART, SPI, I2C, PWM, I2S, ADC \u003cbr\u003e9. Satellite clock: 32.768 MHz crystal oscillator \u003cbr\u003e10. Operating temperature range: -40 degrees Celsius to +85 degrees Celsius \u003cbr\u003e11. Size: 70x52.3x17mm \u003cbr\u003e12. Weight: 26.85g \u003cbr\u003e  \u003cbr\u003ePower Specifications \u003cbr\u003e1. Power input: -C type USB 5V \u003cbr\u003e2. HR861153C Ethernet-POE interface: 50V \u003cbr\u003e3. Working voltage: 2.7V-3.6V \u003cbr\u003e4. Output current: about 1.2A \u003cbr\u003e5. Charging current: 500 mA \u003cbr\u003e6. USB: Type C USB \u003cbr\u003e \u003cbr\u003eWi-Fi \u003cbr\u003e1. Standard: FCC\/CE-Red\/IC\/TELEC\/KCC\/SRRC\/NCC (ESP 32 chip) \u003cbr\u003e2. Protocol: 802.11 b\/g\/n (802.11n, acceleration 150 Mbps) A-MPDU and A-MSDU aggregation, support 0.4??S guard interval \u003cbr\u003e3. Frequency range: 2.4GHz~2.5GHz (2400 m~2483.5M) \u003cbr\u003e4. Transmit power: 22 dBm \u003cbr\u003e5. Communication distance: 300 meters \u003cbr\u003e  \u003cbr\u003eBluetooth   \u003cbr\u003e1. Protocol: Complies with Bluetooth V4.2BR\/EDR and BLE standards \u003cbr\u003e2. Radio frequency: -97 dBm sensitivity nzif receiver class-1 class-2 class-3 emitter AFH \u003cbr\u003e3. Audio: CVSD\u0026amp;SBC audio \u003cbr\u003e  \u003cbr\u003eSoftware Specification \u003cbr\u003e1. Wi-Fi mode: workstation\/SoftAP\/SoftAP+Station\/P2P \u003cbr\u003e2. Security mechanism: WPA\/WPA 2\/WPA 2-Enterprise\/WPS \u003cbr\u003e3. Encryption type: AES\/RSA\/ECC\/SHA \u003cbr\u003e4. Firmware upgrade: UART download\/OTA (download and write firmware via network\/host) \u003cbr\u003e5. Software development: support cloud server development\/sdk for user firmware development \u003cbr\u003e6. Network protocol: IPv 4, IPv 6, SSL, TCP\/UDP\/HTTP\/FTP\/MQTT \u003cbr\u003e7. User configuration: +instruction set, cloud server, Android\/iOSapp \u003cbr\u003e8. OS: FreeRTOS\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Downloader Board","offer_id":44039468122200,"sku":"DIY6225","price":9.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6225.jpg?v=1777258400"},{"product_id":"qqsj-8821-support-uvc-usb-mobile-detection-intelligent-recognition-vga-panoramic-camera-module-qqsj-8821","title":"QQSJ-8821 Support UVC USB Mobile Detection Intelligent Recognition VGA Panoramic Camera Module, QQSJ-8821","description":"\u003cbr\u003e1. VGA-30W pixel, frame rate up to 30FPS under full HD VGA, smooth video output\u003cbr\u003e2. Driver-free plug-and-play, support UVC protocol, USB2.0 high-speed output, transfer rate of 480Mbps\u003cbr\u003e3. GC0308 HD sensor chip, low noise, low power consumption, high sensitivity\u003cbr\u003e4. Can be applied to face recognition, security monitoring, smart home, mobile payment, etc.\u003cbr\u003e5. Pixel: 0.3 megapixel (648x488)\u003cbr\u003e6. Light-sensitive chip: GC0308 (1\/6.5 inch) CMOS\u003cbr\u003e7. Format: MJPEG, YUY2, YUV\u003cbr\u003e8. Frame rate: 30 fps 24Mhz, VGA\u003cbr\u003e9. Interface: USB2.0 driver-free, plug-and-play\u003cbr\u003e10. System compatibility: Windows, Android, Linux\u003cbr\u003e11. Size: about 38 x 38mm\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"QQSJ-8821","offer_id":44039468908632,"sku":"TBD06032386","price":31.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/TBD06032386.jpg?v=1777258461"},{"product_id":"ttgo-lora32-v2-1-esp32-0-96-inch-oled-bluetooth-wifi-wireless-module-915mhz-sma-ip5306-module-with-antenna-915mhz","title":"TTGO LORA32 V2.1 ESP32 0.96 inch OLED Bluetooth WiFi Wireless Module 915MHz SMA IP5306 Module with Antenna, 915MHz","description":"1. Working voltage: 1.8~13.7V \u003cbr\u003e2. Acceptable current: 10~114mA \u003cbr\u003e3. Emission current: \u003cbr\u003e- 120mA at + 20dBm \u003cbr\u003e- 90 mA lies at +17dBm \u003cbr\u003e- 29mA at +13dBm \u003cbr\u003e4. Working frequency: 915MHz \u003cbr\u003e5. Transmitting power: + 20dBm \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 139dBm lies at LoRa \u0026amp; 62.5Khz \u0026amp; SF = 12 \u0026amp; 146bps \u003cbr\u003e- 136dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 12 \u0026amp; 293bps \u003cbr\u003e- 118dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 6 \u0026amp; 9380bps \u003cbr\u003e- 123dBm lies at FSK \u0026amp; 5Khz \u0026amp; 1.2Kbps \u003cbr\u003e7. Frequency error: +\/- 15KHz \u003cbr\u003e8. FIFO space: 64Byte \u003cbr\u003e9. Data rate: \u003cbr\u003e-1.2K~1300Kbps at FSK \u003cbr\u003e-0.018K~37.5Kbps at LoRa \u003cbr\u003e10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK \u003cbr\u003e11. Interface form: SPI \u003cbr\u003e12. Sleep current: \u003cbr\u003e- 0.2uA SLEEP \u003cbr\u003e- 1.5uA IDLE \u003cbr\u003e13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius \u003cbr\u003e14. Digital RSSI function \u003cbr\u003e15. Automatic frequency correction \u003cbr\u003e16. Automatic gain control \u003cbr\u003e17. RF wake-up function \u003cbr\u003e18. Low voltage detection and temperature sensor \u003cbr\u003e19. Fast wake-up and frequency hopping \u003cbr\u003e20. Highly configurable packet handler \u003cbr\u003e21. SMA antenna IP5306 \u003cbr\u003e \u003cbr\u003eThis product is based on LoRa radio frequency, 868MHz (common in North America), 915MHz (common in Europe) and 433MHz (common in Asia Pacific)\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"915MHz","offer_id":44039469269080,"sku":"DIY6155","price":76.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6155.jpg?v=1777258494"},{"product_id":"dc12v-1ch-rf-remote-control-switch-10a-relay-433mhz-switch-receiver","title":"DC12V 1CH RF Remote Control Switch \/ 10A Relay \/ 433MHZ Switch Receiver","description":"\u003cb\u003eProduct Features\u003c\/b\u003e\u003cbr\u003e1. Output relay switching capability: Capable of controlling loads with voltages up to 250V. Requires a 12V power supply. 2. Small Size: The circuit board measures only 35x30x17mm. \u003cbr\u003e3. User-Adjustable Operating Mode: Self-locking, interlocking, inching, and time-delay modes can be adjusted via pin short-circuit caps. \u003cbr\u003e4. Learning Pairing: You can learn to pair with any remote controller with the same frequency (dont worry if you lose your remote during use; simply buy a new one and learn the code without having to replace the entire set, significantly saving costs).\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTechnical Parameters\u003c\/b\u003e\u003cbr\u003e1. Operating Voltage: DC 12V (3V\/6V\/9V\/24V available on request) \u003cbr\u003e2. Quiescent Current: Less than or equal to 10mA \u003cbr\u003e3. Operating Temperature: -40 degrees Celsius to +80 degrees Celsius \u003cbr\u003e4. Receiver Sensitivity: More than or equal to -95dB \u003cbr\u003e5. Operating Frequency: Commonly 315MHz, 433.92MHz (other frequencies available on request) \u003cbr\u003e6. Output Current: Less than or equal to 10A \u003cbr\u003e7. Operating Mode: Inching, Self-Lock, Interlock, Delay (Adjustable) \u003cbr\u003e8. Output Mode: Contact Output (AC and DC controllable)\u003cbr\u003e\u003cbr\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003cbr\u003eThis product uses an intelligent microprocessor control system and is suitable for garage door control, lighting control, remote curtain control, access control systems, and various motor control systems. It features a compact size, easy installation, and safe and reliable operation.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eLearn How to Pair Code\u003c\/b\u003e\u003cbr\u003e1. Inching Learning Method: \u003cbr\u003ePress the pairing button on the control panel once. The LED indicator will flash once. Then, press the button on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. \u003cbr\u003e2. Self-locking Learning Method: \u003cbr\u003ePress the pairing button on the control panel twice. The LED indicator will flash twice. Wait until the LED indicator turns off. Then, press the button on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. \u003cbr\u003e3. Interlocking Learning Method: \u003cbr\u003ePress the pairing button on the control panel three times. The LED indicator will flash three times. After the LED indicator turns off, press the A and B buttons on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. 4. 5-Second Delay Learning Method: \u003cbr\u003ePress the control panel pairing button 4 times in a row. The LED indicator will flash 4 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing. \u003cbr\u003e5. 10-Second Delay Learning Method: \u003cbr\u003ePress the control panel pairing button 5 times in a row. The LED indicator will flash 5 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing. \u003cbr\u003e6. 15-Second Delay Learning Method: \u003cbr\u003ePress the control panel pairing button 6 times in a row. The LED indicator will flash 6 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePrecautions\u003c\/b\u003e\u003cbr\u003e1. Do not operate with power on. Always turn off the power before operating. Only power on after confirming that everything is working properly. \u003cbr\u003e2. If the remote control battery voltage is low, please replace the batteries immediately. (A low battery voltage in the remote control generally reduces the control range.) 3. When using wireless electronic products, avoid strong interference sources such as metal covers, large electronic devices, and electromagnetic fields to prevent the remote control from being too close to the receiver or causing it to malfunction. \u003cbr\u003e4. Do not use this electronic product improperly. Improper use can reduce product performance and lifespan, and in severe cases, damage the product and pose a safety hazard. \u003cbr\u003e5. The delay time setting is automatically set when entering learning mode. The delay time setting is linked to the number of times the learning button is pressed. 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PBT material \u003cbr\u003e4. Insulation resistance: \u0026gt; \/ = 2M ohms \u003cbr\u003e5. Permitted Voltage: + \/ - 20% (AC 12V) \u003cbr\u003e6. Brightness: \u0026gt; \/ = 100cd\/m2 \u003cbr\u003e7. Electrical Life: 30000 hours \u003cbr\u003e8. Dielectric Strength: 2.5KV (AC RMS) \u003cbr\u003e9. CTI: \u0026gt; \/ = 100 \u003cbr\u003e10. Protection grade: IP65 \u003cbr\u003e11. Operating frequency: AC 50~60Hz \u003cbr\u003e12. Dimensions: 5.0 x 3.6 x 3.6cm \u003cbr\u003e13. 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Color: Black + red \u003cbr\u003e3. PBT material \u003cbr\u003e4. Insulation resistance: \u0026gt; \/ = 2M ohms \u003cbr\u003e5. Permitted Voltage: + \/ - 20% (AC 24V) \u003cbr\u003e6. Brightness: \u0026gt; \/ = 100cd\/m2 \u003cbr\u003e7. Electrical Life: 30000 hours \u003cbr\u003e8. Dielectric Strength: 2.5KV (AC RMS) \u003cbr\u003e9. CTI: \u0026gt; \/ = 100 \u003cbr\u003e10. Protection grade: IP65 \u003cbr\u003e11. Operating frequency: AC 50~60Hz \u003cbr\u003e12. Dimensions: 5.0 x 3.6 x 3.6cm \u003cbr\u003e13. Weight: 18g\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"24V \/ Green","offer_id":44039485587544,"sku":"S-DIY-0552G","price":1.66,"currency_code":"USD","in_stock":true},{"title":"24V \/ Blue","offer_id":44039485620312,"sku":"S-DIY-0552L","price":1.66,"currency_code":"USD","in_stock":true},{"title":"24V \/ Red","offer_id":44039485653080,"sku":"S-DIY-0552R","price":1.62,"currency_code":"USD","in_stock":true},{"title":"24V \/ White","offer_id":44039485685848,"sku":"S-DIY-0552W","price":2.29,"currency_code":"USD","in_stock":true},{"title":"24V \/ Yellow","offer_id":44039485718616,"sku":"S-DIY-0552Y","price":1.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/S-DIY-0552G.jpg?v=1784603872"},{"product_id":"waveshare-uart-to-eth-b-ttl-uart-to-ethernet-mini-module-uart-to-eth-b","title":"Waveshare UART TO ETH (B) TTL UART To Ethernet Mini Module, UART TO ETH (B)","description":"\u003cbr\u003e1. Basic function: realize the bi-directional transparent transmission function of serial port and Ethernet interface\u003cbr\u003e2. Ethernet: common network port\u003cbr\u003e3. Isolation protection: without isolation\u003cbr\u003e4. Serial port: TTL\u003cbr\u003e5. Power supply: DC 3.3V\/5V\u003cbr\u003e6. Power supply method: row of pins \/ pads\u003cbr\u003e7. Application scenario: can be used as serial server, Modbus gateway, MQTT gateway, suitable for data acquisition, IoT gateway, security IoT and smart meter monitoring, etc.\u003cbr\u003e8. Size: about 34 x 23 x 11.5mm\u003cbr\u003e\u003cbr\u003eSerial port parameters:\u003cbr\u003e1. Baud rate: 300-115200bps\u003cbr\u003e2. Data bits: 5-9 bits\u003cbr\u003e3. Flow control: with flow control\u003cbr\u003e\u003cbr\u003eSoftware:\u003cbr\u003e1. Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS\u003cbr\u003e2. Configuration mode: host computer configuration, WEB browser, device management function library\u003cbr\u003e3. Communication mode: TCP\/IP direct communication, virtual serial port mode\u003cbr\u003e4. Data transmission mode: TCP Server, TCP Client, UDP Group, UDP\u003cbr\u003e5. Modbus gateway: Modbus TCP to RTU\u003cbr\u003e6. Other functions: custom heartbeat packets\/registration packets, custom web pages, etc.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e1. Compact size, easy integration, low power consumption\u003cbr\u003e2. Can be quickly embedded into industrial, IoT and security and other areas of product applications\u003cbr\u003e3. Designed with postage stamp hole sinker process, highly integrated package, supports multiple ways to embed into various product applications\u003cbr\u003e4. Support a variety of communication modes, support TCP server \/ TCP client \/ UDP multicast \/ UDP mode\u003cbr\u003e5. Support Modbus gateway, suitable for Modbus network upgrade, can cooperate with 3D force control modal components\u003cbr\u003e6. Customized heartbeat packet and registration packet, convenient for communication and device identification with the cloud\u003cbr\u003e7. Support NTP protocol, get network time for serial output or for protocol content upload\u003cbr\u003e8. Support web page and upper computer configuration\u003cbr\u003e9. Pin out control pins, easy to embed or connect to user devices and various MCU master control devices\u003cbr\u003e10. With a variety of indicators, easy to view the working status of the module\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"UART TO ETH (B)","offer_id":44039490404440,"sku":"TBD04144799","price":36.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/TBD04144799.jpg?v=1777259393"},{"product_id":"pam8406-digital-power-amplifier-board-diy-small-speaker-5w-5w-dual-channel-stereo-doco-ding-5v-amplification-module-pam8406-chip","title":"PAM8406 Digital Power Amplifier Board DIY Small Speaker 5W+5W Dual Channel Stereo Doco Ding 5V Amplification Module, PAM8406 Chip","description":"\u003cbr\u003e1. Pure black and gold plated circuit board, imported KEMET audio capacitors, high capacity filter capacitors per channel. Special order pure black copper terminals, gold plated audio input terminals\u003cbr\u003e2. Protection: power input reversal protection, short circuit, overheating, over EMI\u003cbr\u003e3. Low quiescent current, noise suppression\u003cbr\u003e4. External amplifier type selection function (MODE: high level class D, low level class AB, factory default high level)\u003cbr\u003e5. External shutdown (SD: chip shutdown at low level, factory default high level)\u003cbr\u003e6. External mute (MUTE: low level mute, factory default high level)\u003cbr\u003e8. Input method: Single-ended\u003cbr\u003e9. Output power: 5W 2 ohms 5V; 3W 4 ohms 5V; 1.8W 8 ohms 5V\u003cbr\u003e10. Size: 55.12 x 32.26mm\u003cbr\u003e11. Weight: 25g\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"PAM8406 Chip","offer_id":44039495516248,"sku":"TBD06032694","price":13.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/TBD06032694.jpg?v=1777259672"},{"product_id":"tda7850-amplifier-board-2-1-channel-2x80w-car-ab-type-amplifier-module-diy-high-power-120w-bass-tda7850","title":"TDA7850 Amplifier Board 2.1 Channel 2x80W Car AB Type Amplifier Module DIY High Power 120W Bass, TDA7850","description":"1. Gold-sunk wiring for better sound \u003cbr\u003e2. Optimized ground wiring to eliminate bottom noise \u003cbr\u003e3. Immersion gold circuit board, car-grade amplifier chip, Nichicon professional audio filter capacitors \u003cbr\u003e4. Input mode: 3.5mm audio cable input or 3P 2.54mm terminal input \u003cbr\u003e5. Can be connected to 2\/4\/6\/8 ohm speakers \u003cbr\u003e6. Protection function: reverse power input protection, short circuit protection, over-current protection, overheat protection \u003cbr\u003e7. Supply voltage: DC12-18V \u003cbr\u003e8. Output power: 2x80W stereo (18V \/ 4 ohms) and 1x120W pure bass (18V \/ 2 ohms) \u003cbr\u003e9. Potentiometer knob opening: 7mm \u003cbr\u003e10. Mounting hole spacing: 25.4x48.26mm (Bluetooth module spacing compatible) \u003cbr\u003e11. PCB size: 72.36 x 66.65mm \u003cbr\u003e12. Overall (including heat sink):: 72.36 x 96 x 27mm \u003cbr\u003e13. 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Chipset: ESP32-WROVER-B, AXP192 power management chip \u003cbr\u003e2. Flash: 4MB \/16MB \u003cbr\u003e3. Static SRAM: 8MB \u003cbr\u003e4. SRAM: 520 kB SRAM \u003cbr\u003e5. Button: PWR power switch, reset \u003cbr\u003e6. USB to TTL: CP2104 \u003cbr\u003e7. Vehicle clock: 40MHz crystal oscillator \u003cbr\u003e8. Peripheral equipment: SIM Nano card slot, Mini PCIE card slot \u003cbr\u003e9. Antenna: Onboard antenna (default) \u003cbr\u003e10. Working voltage: 2.7V to 3.6V \u003cbr\u003e11. Sleep current: About 700ma \u003cbr\u003e12. Operating temperature range: -40 degrees Celsius ~ + 85 degrees Celsius \u003cbr\u003e13. Dimensions: 75 x 33 x 10.5 mm \u003cbr\u003e14. Weight: 14.5g \u003cbr\u003e  \u003cbr\u003ePower Specifications \u003cbr\u003e1. Power input: USB 5V \/ 1A \u003cbr\u003e2. Charging current: 500 mA \u003cbr\u003e3. Battery input: 3.7-4.2V \u003cbr\u003e4. Charging IC: AXP192 \u003cbr\u003e5. JST connector: 2-pin 2.0mm \u003cbr\u003e6. USB: Type C \u003cbr\u003e \u003cbr\u003ewireless online \u003cbr\u003e1. Standard: FCC \/ CE-RED \/ IC \/ TELEC \/ KCC \/ SRRC \/ NCC (ESP32 chip) \u003cbr\u003e2. Protocol: 802.11 b\/g\/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4uS guard interval \u003cbr\u003e3. Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M) \u003cbr\u003e4. Transmit power: 22dBm \u003cbr\u003e5. Communication distance: 300m \u003cbr\u003e  \u003cbr\u003eBluetooth \u003cbr\u003e1. Protocol: Compliant with Bluetooth v4.2BR\/EDR and BLE standards \u003cbr\u003e2. Radio frequency: NZIF receiver Class-1 with sensitivity of -97dBm, Class-2\u0026amp;Class-3 transmitter AFH \u003cbr\u003e3. Audio: CVSD\u0026amp;SBC audio \u003cbr\u003e \u003cbr\u003eSoftware specifications \u003cbr\u003e1. Wi-Fi mode: Workstation \/ SoftAP \/ SoftAP + Station \/ P2P \u003cbr\u003e2. Security mechanism: WPA \/ WPA2 \/ WPA2-Enterprise \/ WPS \u003cbr\u003e3. Encryption method: AES \/ RSA \/ ECC \/ SHA \u003cbr\u003e4. Firmware upgrade: UART download\/OTA (download and write firmware via network\/host) \u003cbr\u003e5. Software development: support cloud server development \/ SDK for user firmware development \u003cbr\u003e6. Network protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT \u003cbr\u003e7. User configuration: AT + command set, cloud server, Android \/ iOS app \u003cbr\u003e8. Operating system: FreeRTOS \u003cbr\u003e \u003cbr\u003ePacking list \u003cbr\u003e1. SIM7000G-PCIE module x 1 \u003cbr\u003e2. LTE antenna x 1 \u003cbr\u003e3. GPS antenna x 1 \u003cbr\u003e4. 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Peripheral equipment: SIM Nano card slot, Mini PCIE card slot \u003cbr\u003e9. Antenna: Onboard antenna (default) \u003cbr\u003e10. Working voltage: 2.7V to 3.6V \u003cbr\u003e11. Sleep current: About 700ma \u003cbr\u003e12. Operating temperature range: -40 degrees Celsius ~ + 85 degrees Celsius \u003cbr\u003e13. Dimensions: 75 x 33 x 10.5 mm \u003cbr\u003e14. Weight: 14.5g \u003cbr\u003e  \u003cbr\u003ePower Specifications \u003cbr\u003e1. Power input: USB 5V \/ 1A \u003cbr\u003e2. Charging current: 500 mA \u003cbr\u003e3. Battery input: 3.7-4.2V \u003cbr\u003e4. Charging IC: AXP192 \u003cbr\u003e5. JST connector: 2-pin 2.0mm \u003cbr\u003e6. USB: Type C \u003cbr\u003e \u003cbr\u003ewireless online \u003cbr\u003e1. Standard: FCC \/ CE-RED \/ IC \/ TELEC \/ KCC \/ SRRC \/ NCC (ESP32 chip) \u003cbr\u003e2. Protocol: 802.11 b\/g\/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4uS guard interval \u003cbr\u003e3. Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M) \u003cbr\u003e4. Transmit power: 22dBm \u003cbr\u003e5. Communication distance: 300m \u003cbr\u003e  \u003cbr\u003eBluetooth \u003cbr\u003e1. Protocol: Compliant with Bluetooth v4.2BR\/EDR and BLE standards \u003cbr\u003e2. Radio frequency: NZIF receiver Class-1 with sensitivity of -97dBm, Class-2\u0026amp;Class-3 transmitter AFH \u003cbr\u003e3. Audio: CVSD\u0026amp;SBC audio \u003cbr\u003e \u003cbr\u003eSoftware specifications \u003cbr\u003e1. Wi-Fi mode: Workstation \/ SoftAP \/ SoftAP + Station \/ P2P \u003cbr\u003e2. Security mechanism: WPA \/ WPA2 \/ WPA2-Enterprise \/ WPS \u003cbr\u003e3. Encryption method: AES \/ RSA \/ ECC \/ SHA \u003cbr\u003e4. Firmware upgrade: UART download\/OTA (download and write firmware via network\/host) \u003cbr\u003e5. Software development: support cloud server development \/ SDK for user firmware development \u003cbr\u003e6. Network protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT \u003cbr\u003e7. User configuration: AT + command set, cloud server, Android \/ iOS app \u003cbr\u003e8. Operating system: FreeRTOS \u003cbr\u003e \u003cbr\u003eSIM7600A suitable for North America: \u003cbr\u003e1. LTE-FDD: B2\/B4 \u003cbr\u003e2. UMTS\/HSPA+: B2\/B5 \u003cbr\u003e \u003cbr\u003ePacking list \u003cbr\u003e1. SIM7600A-PCIE module x 1 \u003cbr\u003e2. LTE antenna x 1 \u003cbr\u003e3. GPS antenna x 1 \u003cbr\u003e4. Screw x 2\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"SIM7600A-PCIE","offer_id":44039508590680,"sku":"DIY5117","price":184.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY5117.jpg?v=1777260207"},{"product_id":"ttgo-t-pcie-esp32-wrover-b-axp192-chip-wifi-bluetooth-nano-card-sim-series-module-hardware-composable-development-board-sim7600e-pcie-sim7600e-pcie","title":"TTGO T-PCIE ESP32-WROVER-B AXP192 Chip WiFi Bluetooth Nano Card SIM Series Module Hardware Composable Development Board, SIM7600E-PCIE, SIM7600E-PCIE","description":"Hardware specifications \u003cbr\u003e1. Chipset: ESP32-WROVER-B, AXP192 power management chip \u003cbr\u003e2. Flash: 4MB \/16MB \u003cbr\u003e3. Static SRAM: 8MB \u003cbr\u003e4. SRAM: 520 kB SRAM \u003cbr\u003e5. Button: PWR power switch, reset \u003cbr\u003e6. USB to TTL: CP2104 \u003cbr\u003e7. Vehicle clock: 40MHz crystal oscillator \u003cbr\u003e8. Peripheral equipment: SIM Nano card slot, Mini PCIE card slot \u003cbr\u003e9. Antenna: Onboard antenna (default) \u003cbr\u003e10. Working voltage: 2.7V to 3.6V \u003cbr\u003e11. Sleep current: About 700ma \u003cbr\u003e12. Operating temperature range: -40 degrees Celsius ~ + 85 degrees Celsius \u003cbr\u003e13. Dimensions: 75 x 33 x 10.5 mm \u003cbr\u003e14. Weight: 14.5g \u003cbr\u003e  \u003cbr\u003ePower Specifications \u003cbr\u003e1. Power input: USB 5V \/ 1A \u003cbr\u003e2. Charging current: 500 mA \u003cbr\u003e3. Battery input: 3.7-4.2V \u003cbr\u003e4. Charging IC: AXP192 \u003cbr\u003e5. JST connector: 2-pin 2.0mm \u003cbr\u003e6. USB: Type C \u003cbr\u003e \u003cbr\u003ewireless online \u003cbr\u003e1. Standard: FCC \/ CE-RED \/ IC \/ TELEC \/ KCC \/ SRRC \/ NCC (ESP32 chip) \u003cbr\u003e2. Protocol: 802.11 b\/g\/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4uS guard interval \u003cbr\u003e3. Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M) \u003cbr\u003e4. Transmit power: 22dBm \u003cbr\u003e5. Communication distance: 300m \u003cbr\u003e  \u003cbr\u003eBluetooth \u003cbr\u003e1. Protocol: Compliant with Bluetooth v4.2BR\/EDR and BLE standards \u003cbr\u003e2. Radio frequency: NZIF receiver Class-1 with sensitivity of -97dBm, Class-2\u0026amp;Class-3 transmitter AFH \u003cbr\u003e3. Audio: CVSD\u0026amp;SBC audio \u003cbr\u003e \u003cbr\u003eSoftware specifications \u003cbr\u003e1. Wi-Fi mode: Workstation \/ SoftAP \/ SoftAP + Station \/ P2P \u003cbr\u003e2. Security mechanism: WPA \/ WPA2 \/ WPA2-Enterprise \/ WPS \u003cbr\u003e3. Encryption method: AES \/ RSA \/ ECC \/ SHA \u003cbr\u003e4. Firmware upgrade: UART download\/OTA (download and write firmware via network\/host) \u003cbr\u003e5. Software development: support cloud server development \/ SDK for user firmware development \u003cbr\u003e6. Network protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT \u003cbr\u003e7. User configuration: AT + command set, cloud server, Android \/ iOS app \u003cbr\u003e8. Operating system: FreeRTOS \u003cbr\u003e \u003cbr\u003eSIM7600E suitable for EMEA\/Kor\/Thailand: \u003cbr\u003e1. LTE-TDD: B38\/B40\/B41 \u003cbr\u003e2. LTE-FDD: B1\/B3\/B5\/B7\/B8\/B20 \u003cbr\u003e3. UMTS\/HSPA+: B1\/B5\/B8 \u003cbr\u003e4. GSM\/GPRS\/EDGE:B3\/B8 \u003cbr\u003e \u003cbr\u003ePacking list \u003cbr\u003e1. SIM7600E-PCIE module x 1 \u003cbr\u003e2. LTE antenna x 1 \u003cbr\u003e3. GPS antenna x 1 \u003cbr\u003e4. Screw x 2\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"SIM7600E-PCIE","offer_id":44039508754520,"sku":"DIY5118","price":189.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY5118.jpg?v=1777260217"},{"product_id":"ne5532-tuner-plate-active-filter-amplifier-board-hifi-front-module-universal-dual-operation-amplifier-ne5532","title":"NE5532 Tuner Plate Active Filter Amplifier Board HIFI Front Module Universal Dual Operation Amplifier, NE5532","description":"\u003cbr\u003e1. Use NE5532 chip, can replace OP275, AD828, NJM4558, TL072 and other general-purpose dual op-amps\u003cbr\u003e2. Low quiescent current and noise suppression \u003cbr\u003e3. Bass: 100HZ\/80DB gain adjustment\u003cbr\u003e4. Tweeter: 10KHZ\/80DB gain adjustment\u003cbr\u003e5. Frequency response: 20-20000HZ\u003cbr\u003e6. Signal to noise ratio: 98dB\u003cbr\u003e7. Supply voltage: DC9-24V (5 x 2.1mm core input, 2P chassis input)\u003cbr\u003e8. Rated power 2x770mW stereo (24V\/32 ohms) can be connected to loads above 32 ohms\u003cbr\u003e9. Output method: 3.5mm audio jack\u003cbr\u003e10. Input method: 3.5mm audio terminal, 3P 2.54mm terminal block, 6P 2.5mm chassis\u003cbr\u003e11. PCB: 72x53mm\u003cbr\u003e12. Overall: 72x53x15mm\u003cbr\u003e13. Potentiometer knob opening: 7mm\u003cbr\u003e14. Distance between mounting holes: 47.58x36mm\u003cbr\u003e15. Net weight: 54g","brand":"DropKart","offers":[{"title":"NE5532","offer_id":44039508852824,"sku":"TBD06032704","price":45.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/TBD06032704.jpg?v=1777260223"},{"product_id":"10-pcs-ac-01-three-pins-power-socket-with-safety-switch-socket-10-pcs-ac-01","title":"10 PCS AC-01 Three Pins Power Socket with Safety Switch Socket, 10 PCS AC-01","description":"\u003cbr\u003e1. Rated voltage: 250V\u003cbr\u003e2. Rated current: 10A\u003cbr\u003e3. Material: Plastic, metal\u003cbr\u003e4. Plug type: 3-pin\u003cbr\u003e5. Can be used in case, instrument, tableware, counter, daily household, etc. The inner core is pure copper, which can be detected with a magnet.\u003cbr\u003e6. Package contents: 1 x power socket with switch fuse\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"10 PCS AC-01","offer_id":44039508983896,"sku":"TBD0512679","price":15.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/TBD0512679.jpg?v=1777260236"},{"product_id":"ttgo-meshtastic-t-beam-v1-1-esp32-923mhz-oled-wifi-bluetooth-gps-neo-6m-sma-18650-battery-holder-923mhz-oled","title":"TTGO Meshtastic T-Beam V1.1 ESP32 923MHz OLED WiFi Bluetooth GPS NEO-6M SMA 18650 Battery Holder, 923MHZ OLED","description":"Product demonstration (Note: OLED is not soldered to T-beam) \u003cbr\u003eFeatures: \u003cbr\u003e1. ESP 32 version: Rev1 \u003cbr\u003e2. WiFi \u003cbr\u003e3. Bluetooth \u003cbr\u003e4. 4MB pSRAM \u003cbr\u003e5. 4MB flash memory \u003cbr\u003e6. Three-dimensional antenna \u003cbr\u003e \u003cbr\u003eproduct description: \u003cbr\u003e1. Working voltage: 1.8~3.7V \u003cbr\u003e2. Acceptable current: 10~14 mA \u003cbr\u003e3. Transmitting current: 120 mA@+20 dBm \u003cbr\u003e4. 90 mA@+17 dBm \u003cbr\u003e5. 29 mA@+13 dBm \u003cbr\u003e6. Working frequency: 433\/470 MHz (433 HMz version) SX1278 \/868m\/915 m (868 MHz version) SX1276 \u003cbr\u003e7. Transmitting power: +20 dBm \u003cbr\u003e8. Receiving sensitivity: \u003cbr\u003e-139 dBm@Lora\u0026amp;62.5Khz\u0026amp;SF=12\u0026amp;146 bps \u003cbr\u003e-136 dBm@Lora\u0026amp;125 Khz\u0026amp;SF=12\u0026amp;293 bps \u003cbr\u003e-118 dBm@Lora\u0026amp;125 Khz\u0026amp;SF=6\u0026amp;9380 bps \u003cbr\u003e-123 dBm@FSK\u0026amp;5 Khz\u0026amp;1.2Kbps \u003cbr\u003e9. Frequency error: +\/-15 kHz \u003cbr\u003e10. FIFO space: 64 bytes \u003cbr\u003e11. Data rate: \u003cbr\u003e1.2k~300 Kbps@FSK \u003cbr\u003e0.018K~37.5Kbps@Lora \u003cbr\u003e12. Modulation method: FSK, GFSK, MSK, GMSK, Lora TM, OOK \u003cbr\u003e13. Interface form: SPI \u003cbr\u003e14. Sleep current: 0.2uA \u003cbr\u003e15. 1.5uA@Idle \u003cbr\u003e16. Working temperature: -40 degrees Celsius-+85 degrees Celsius \u003cbr\u003e17. Digital RSSI function \u003cbr\u003e18. Automatic frequency correction \u003cbr\u003e19. Automatic gain control \u003cbr\u003e20. Low pressure detection \u003cbr\u003e21. Fast wake-up and frequency hopping \u003cbr\u003e22. Highly configurable packet handler \u003cbr\u003e \u003cbr\u003eGlobal Positioning System: \u003cbr\u003e1. GPS module neo-6m, 3V-5V power supply universal \u003cbr\u003e2. The predetermined module with ceramic antenna, super signal \u003cbr\u003e3. Save configuration parameter data EEPROM \u003cbr\u003e4. With data backup battery \u003cbr\u003e5. With LED signal indicator \u003cbr\u003e6. The default baud rate: 9600 \u003cbr\u003e \u003cbr\u003epower: \u003cbr\u003e1. TP 5400 \u003cbr\u003e2. 1A battery management \u003cbr\u003e3. LED indicator: there are 4 LEDs to display the battery status in real time \u003cbr\u003e4. USB \u003cbr\u003e5. CP 2104-GMR \u003cbr\u003e6. Pre-Flash firmware \u003cbr\u003e \u003cbr\u003eOLED description: \u003cbr\u003e1. Size: 0.96 inches \u003cbr\u003e2. High resolution: 128x64 \u003cbr\u003e3. Color: white \u003cbr\u003e4. Viewing angle: \u0026gt;160 degrees \u003cbr\u003e5.Driver IC: SSD 1306 \u003cbr\u003e6. Working temperature: -30~80 degrees Celsius \u003cbr\u003e7. Module size (generous): 27.0mm x 27.0mm x 4.1mm \u003cbr\u003e8. Support a variety of control chips: fully compatible with Arduino, 51 series, MSP 430 series, STM 32\/2, CSR chips, etc. (a lot of examples are available for reference) \u003cbr\u003e9. Wide voltage support: directly support 3.3V~5V DC power supply without any modification \u003cbr\u003e10. Ultra-low power consumption: 0.04W in normal operation \u003cbr\u003e11. IO port occupies the smallest display: IIC communication, as long as two IO ports \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"923MHZ OLED","offer_id":44039509114968,"sku":"DIY6148","price":156.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6148.jpg?v=1777260238"},{"product_id":"ttgo-t-sim7000g-esp32-wifi-bluetooth-18560-battery-holder-solar-charge-module-development-board-t-sim7000g","title":"TTGO T-SIM7000G ESP32 WiFi Bluetooth 18560 Battery Holder Solar Charge Module Development Board, T-SIM7000G","description":"Product Description  Hardware Specifications: \u003cbr\u003e1. Main chip: ESP32 \u003cbr\u003e2. Module: ESP32-WROVER-B,SIM7000G \u003cbr\u003e3. Interface:USB,SD Card,Solar Input interface \u003cbr\u003e4. Flash Memory: 4M Flash \/ 8M PSRAM \u003cbr\u003e5. Button: Reset,Power switch \u003cbr\u003e6. USB to TTL: CP2104 \u003cbr\u003e7. Car Clock: 40MHz \u003cbr\u003e8. SIM Card Size: Nano SIM Card \u003cbr\u003e9. SIM Antenna  \u003cbr\u003e10. GPS Antenna  \u003cbr\u003e11. Operating Temperature Range: -40-85 degrees \u003cbr\u003e12. Product Size: 111mm x 37mm x 20mm \u003cbr\u003e13. Product Weight: 50g \u003cbr\u003e \u003cbr\u003ePower Specifications: \u003cbr\u003e1. Working Voltage: 5V input \u003cbr\u003e2. Solar input voltage range???4.4-6V \u003cbr\u003e3. Working Curent: About 200mA \u003cbr\u003e4. Charging Current: 780mA \u003cbr\u003e5. Battery Model: 18650 \u003cbr\u003e6. Battery Holder Model: 18650 battery holder \u003cbr\u003e7. JST Connector: 2pin 2mm \u003cbr\u003e8. USB: TYPE-C 3.0 \u003cbr\u003e \u003cbr\u003eWi-Fi: \u003cbr\u003e1. Standard: FCC\/CE-RED\/IC\/TELEC\/KCC\/SRRC\/NCC \u003cbr\u003e2. Protocol: 802.11 b\/g\/n(802.11n???speed up to150Mbps)A-MPDU and A-MSDU polymerization???support 0.4??S Protection interval \u003cbr\u003e3. Frequency: range 2.4GHz~2.5GHz(2400M~2483.5M) \u003cbr\u003e4. Transmit Power: 22dBm \u003cbr\u003e5. Communication distance: 300m \u003cbr\u003e \u003cbr\u003eBluetooth: \u003cbr\u003e1. Protocol meet Bluetooth : v4.2BR\/EDR and BLE standard \u003cbr\u003e2. Radio Frequency : with -97dBm sensitivity NZIF receiver Class-1, Class-2\u0026amp;Class-3 emitter AFH \u003cbr\u003e3. Audio Frequency : CVSD\u0026amp;SBC audio frequency \u003cbr\u003e \u003cbr\u003eSoftware Specification: \u003cbr\u003e1. Wi-Fi Mode : Station\/SoftAP\/SoftAP+Station\/P2P \u003cbr\u003e2. Security Mechanism : WPA\/WPA2\/WPA2-Enterprise\/WPS \u003cbr\u003e3. Encryption Type : AES\/RSA\/ECC\/SHA \u003cbr\u003e4. Firmware Upgrade :UART download\/OTA???Through network\/host to download and write firmware??? \u003cbr\u003e5. Software Development : Support cloud server development \/SDK for user firmware development \u003cbr\u003e6. Networking Protocol : IPV4, IPV6, SSL, TCP\/UDP\/HTTP\/FTP\/MQTT \u003cbr\u003e7. User Configuration : AT + Instruction set, cloud server, Android\/iOS APP \u003cbr\u003e8. OS : FreeRTOS \u003cbr\u003e \u003cbr\u003eVersion update function: \u003cbr\u003e1. The batterys positive and negative poles are connected to the wrong protection, overcharge and over discharge protection \u003cbr\u003e2. GPS power control, reduce power consumption, the lowest reaches 300uA when sleeping \u003cbr\u003e3. Replacement of ordinary charging IC with solar charging IC\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"T-SIM7000G","offer_id":44039509344344,"sku":"DIY6151","price":235.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6151.jpg?v=1777260252"},{"product_id":"ttgo-t-beamv1-0-esp32-chipset-bluetooth-wifi-module-433mhz-lora-neo-6m-gps-module-with-sma-antenna-original-version-original-version-433mhz","title":"TTGO T-Beamv1.0 ESP32 Chipset Bluetooth WiFi Module 433MHz LoRa NEO-6M GPS Module with SMA Antenna, Original Version, Original Version 433MHz","description":"1. Working voltage: 1.8~13.7V \u003cbr\u003e2. Acceptable current: 10~114mA \u003cbr\u003e3. Emission current: \u003cbr\u003e- 120mA at + 20dBm \u003cbr\u003e- 90 mA lies at +17dBm \u003cbr\u003e- 29mA at +13dBm \u003cbr\u003e4. Working frequency: 923MHz \u003cbr\u003e5. Transmitting power: + 20dBm \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 139dBm lies at LoRa \u0026amp; 62.5Khz \u0026amp; SF = 12 \u0026amp; 146bps \u003cbr\u003e- 136dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 12 \u0026amp; 293bps \u003cbr\u003e- 118dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 6 \u0026amp; 9380bps \u003cbr\u003e- 123dBm lies at FSK \u0026amp; 5Khz \u0026amp; 1.2Kbps \u003cbr\u003e7. Frequency error: +\/- 15KHz \u003cbr\u003e8. FIFO space: 64Byte \u003cbr\u003e9. Data rate: \u003cbr\u003e-1.2K~1300Kbps at FSK \u003cbr\u003e-0.018K~37.5Kbps at LoRa \u003cbr\u003e10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK \u003cbr\u003e11. Interface form: SPI \u003cbr\u003e12. Sleep current: \u003cbr\u003e- 0.2uA SLEEP \u003cbr\u003e- 1.5uA IDLE \u003cbr\u003e13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius \u003cbr\u003e14. Digital RSSI function \u003cbr\u003e15. Automatic frequency correction \u003cbr\u003e16. Automatic gain control \u003cbr\u003e17. Low voltage detection and temperature sensor \u003cbr\u003e18. Fast wake-up and frequency hopping \u003cbr\u003e19. Highly configurable packet handler \u003cbr\u003e20. Global Positioning System \u003cbr\u003e21. GPS module NEO-6M, 3V-5V power supply universal \u003cbr\u003e22. Designated module with ceramic antenna, super signal \u003cbr\u003e23. Save configuration parameter data EEPROM Down \u003cbr\u003e24. Battery with data backup \u003cbr\u003e25. LED signal indicator \u003cbr\u003e26. Default baud rate: 9600 \u003cbr\u003e27. Power: TP5400, 1A battery management \u003cbr\u003e28. LED indicator \u003cbr\u003e29. CP2104-GMR \u003cbr\u003e30. Pre-flash firmware: SoftRF V4.0 \u003cbr\u003e \u003cbr\u003eThis product is based on LoRa radio frequency, 868MHz (common in North America), 915MHz (common in Europe) and 433MHz (common in Asia Pacific)\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Original Version 433MHz","offer_id":44039509770328,"sku":"DIY6160","price":126.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6160.jpg?v=1777260278"},{"product_id":"ttgo-t-beamv1-0-esp32-chipset-bluetooth-wifi-module-915mhz-lora-neo-6m-gps-module-with-sma-antenna-original-version-original-version-915mhz","title":"TTGO T-Beamv1.0 ESP32 Chipset Bluetooth WiFi Module 915MHz LoRa NEO-6M GPS Module with SMA Antenna, Original Version, Original Version 915MHz","description":"1. Working voltage: 1.8~13.7V \u003cbr\u003e2. Acceptable current: 10~114mA \u003cbr\u003e3. Emission current: \u003cbr\u003e- 120mA at + 20dBm \u003cbr\u003e- 90 mA lies at +17dBm \u003cbr\u003e- 29mA at +13dBm \u003cbr\u003e4. Working frequency: 923MHz \u003cbr\u003e5. Transmitting power: + 20dBm \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 139dBm lies at LoRa \u0026amp; 62.5Khz \u0026amp; SF = 12 \u0026amp; 146bps \u003cbr\u003e- 136dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 12 \u0026amp; 293bps \u003cbr\u003e- 118dBm lies at LoRa \u0026amp; 125Khz \u0026amp; SF = 6 \u0026amp; 9380bps \u003cbr\u003e- 123dBm lies at FSK \u0026amp; 5Khz \u0026amp; 1.2Kbps \u003cbr\u003e7. Frequency error: +\/- 15KHz \u003cbr\u003e8. FIFO space: 64Byte \u003cbr\u003e9. Data rate: \u003cbr\u003e-1.2K~1300Kbps at FSK \u003cbr\u003e-0.018K~37.5Kbps at LoRa \u003cbr\u003e10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK \u003cbr\u003e11. Interface form: SPI \u003cbr\u003e12. Sleep current: \u003cbr\u003e- 0.2uA SLEEP \u003cbr\u003e- 1.5uA IDLE \u003cbr\u003e13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius \u003cbr\u003e14. Digital RSSI function \u003cbr\u003e15. Automatic frequency correction \u003cbr\u003e16. Automatic gain control \u003cbr\u003e17. Low voltage detection and temperature sensor \u003cbr\u003e18. Fast wake-up and frequency hopping \u003cbr\u003e19. Highly configurable packet handler \u003cbr\u003e20. Global Positioning System \u003cbr\u003e21. GPS module NEO-6M, 3V-5V power supply universal \u003cbr\u003e22. Designated module with ceramic antenna, super signal \u003cbr\u003e23. Save configuration parameter data EEPROM Down \u003cbr\u003e24. Battery with data backup \u003cbr\u003e25. LED signal indicator \u003cbr\u003e26. Default baud rate: 9600 \u003cbr\u003e27. Power: TP5400, 1A battery management \u003cbr\u003e28. LED indicator \u003cbr\u003e29. CP2104-GMR \u003cbr\u003e30. Pre-flash firmware: SoftRF V4.0 \u003cbr\u003e \u003cbr\u003eThis product is based on LoRa radio frequency, 868MHz (common in North America), 915MHz (common in Europe) and 433MHz (common in Asia Pacific)\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Original Version 915MHz","offer_id":44039509868632,"sku":"DIY6162","price":120.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6162.jpg?v=1777260291"},{"product_id":"ttgo-t-beam-esp32-bluetooth-wifi-module-433mhz-gps-neo-m8n-lora-32-module-with-antenna-18650-battery-holder-433mhz","title":"TTGO T-Beam ESP32 Bluetooth WiFi Module 433MHz GPS NEO-M8N LORA 32 Module with Antenna \u0026 18650 Battery Holder, 433MHz","description":"1. New version of ESP32: REV1 \u003cbr\u003e2. Wi-Fi\/Bluetooth\/4MB flash memory\/4MB PSRAM\/3D antenna\/LORA \u003cbr\u003e \u003cbr\u003eProduct description \u003cbr\u003e1. Working voltage: 1.8~3.7v \u003cbr\u003e2. Acceptable current: 10~14mA \u003cbr\u003e3. Emission current: \u003cbr\u003e-120mA at +20dBm \u003cbr\u003e-90 mA at +17dBm \u003cbr\u003e-29mA at +13dBm \u003cbr\u003e4. Working frequency: 433HMz version SX1278 \u003cbr\u003e5. Transmitting power: + 20dBm \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 139dBm at LoRa and 62.5Khz \u0026amp; SF = 12 and 146bps \u003cbr\u003e- 136dBm at LoRa and 125Khz\u0026amp;SF = 12 \u0026amp; 293bps \u003cbr\u003e- 118dBm at LoRa \u0026amp; 125Khz \u0026amp; SF = 6\u0026amp; 9380bps \u003cbr\u003e- 123dBm at FSK \u0026amp; 5Khz \u0026amp; 1.2Kbps \u003cbr\u003e7. Frequency error: +\/- 15KHz \u003cbr\u003e8. FIFO space: 64Byte \u003cbr\u003e9. Data rate: \u003cbr\u003e- 1.2K~300Kbps at FSK \u003cbr\u003e- 0.018K~37.5Kbps in LoRa \u003cbr\u003e10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK \u003cbr\u003e11. Interface form: SPI \u003cbr\u003e12. Sleep current: \u003cbr\u003e- 0.2uA in SLEEP \u003cbr\u003e- 1.5uA in IDLE \u003cbr\u003e13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius \u003cbr\u003e14. Digital RSSI function \u003cbr\u003e15. Automatic frequency correction \u003cbr\u003e16. Automatic gain control \u003cbr\u003e17. RF wake-up function \u003cbr\u003e18. Low pressure detection and temperature sensor \u003cbr\u003e19. Fast wake-up and frequency hopping \u003cbr\u003e20. Highly configurable packet handler \u003cbr\u003e \u003cbr\u003eGlobal Positioning System \u003cbr\u003e1. GPS module NEO-M8N, 3V-5V power supply universal \u003cbr\u003e2. Designated module with ceramic antenna, super strong signal \u003cbr\u003e3. Save configuration parameter data EEPROM Down \u003cbr\u003e4. With data backup battery \u003cbr\u003e5. With LED signal indicator \u003cbr\u003e6. The default baud rate: 9600 \u003cbr\u003e \u003cbr\u003ePower \u003cbr\u003e1. TP5400 \u003cbr\u003e2. 2A battery management \u003cbr\u003e3. LED indicator: There are 4 LEDs to display the battery status in real time. \u003cbr\u003e4. Power button: Click once to start. Tap twice quickly to close. \u003cbr\u003e5. USB \u003cbr\u003e6. CP2104-GMR \u003cbr\u003e7. Pre-flash firmware: SoftRF V4.0 \u003cbr\u003e \u003cbr\u003ePacking list: \u003cbr\u003e1. TTGO T-Beam ESP32 \u003cbr\u003e2. 433MHz antenna \u003cbr\u003e3. Pin x 1 \u003cbr\u003e4. Screw Washer x 3 \u003cbr\u003e \u003cbr\u003eNote: OLED is not included in the invoice\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"433MHz","offer_id":44039510098008,"sku":"DIY6222","price":145.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6222.jpg?v=1777260301"},{"product_id":"ttgo-t-beam-esp32-bluetooth-wifi-module-868mhz-gps-neo-m8n-lora-32-module-with-antenna-18650-battery-holder-868mhz","title":"TTGO T-Beam ESP32 Bluetooth WiFi Module 868MHz GPS NEO-M8N LORA 32 Module with Antenna \u0026 18650 Battery Holder, 868MHz","description":"1. New version of ESP32: REV1 \u003cbr\u003e2. Wi-Fi\/Bluetooth\/4MB flash memory\/4MB PSRAM\/3D antenna\/LORA \u003cbr\u003e \u003cbr\u003eProduct description \u003cbr\u003e1. Working voltage: 1.8~3.7v \u003cbr\u003e2. Acceptable current: 10~14mA \u003cbr\u003e3. Emission current: \u003cbr\u003e-120mA at +20dBm \u003cbr\u003e-90 mA at +17dBm \u003cbr\u003e-29mA at +13dBm \u003cbr\u003e4. Working frequency: 868MHz version SX1276 \u003cbr\u003e5. Transmitting power: + 20dBm \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 139dBm at LoRa and 62.5Khz \u0026amp; SF = 12 and 146bps \u003cbr\u003e- 136dBm at LoRa and 125Khz\u0026amp;SF = 12 \u0026amp; 293bps \u003cbr\u003e- 118dBm at LoRa \u0026amp; 125Khz \u0026amp; SF = 6\u0026amp; 9380bps \u003cbr\u003e- 123dBm at FSK \u0026amp; 5Khz \u0026amp; 1.2Kbps \u003cbr\u003e7. Frequency error: +\/- 15KHz \u003cbr\u003e8. FIFO space: 64Byte \u003cbr\u003e9. Data rate: \u003cbr\u003e- 1.2K~300Kbps at FSK \u003cbr\u003e- 0.018K~37.5Kbps in LoRa \u003cbr\u003e10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK \u003cbr\u003e11. Interface form: SPI \u003cbr\u003e12. Sleep current: \u003cbr\u003e- 0.2uA in SLEEP \u003cbr\u003e- 1.5uA in IDLE \u003cbr\u003e13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius \u003cbr\u003e14. Digital RSSI function \u003cbr\u003e15. Automatic frequency correction \u003cbr\u003e16. Automatic gain control \u003cbr\u003e17. RF wake-up function \u003cbr\u003e18. Low pressure detection and temperature sensor \u003cbr\u003e19. Fast wake-up and frequency hopping \u003cbr\u003e20. Highly configurable packet handler \u003cbr\u003e \u003cbr\u003eGlobal Positioning System \u003cbr\u003e1. GPS module NEO-M8N, 3V-5V power supply universal \u003cbr\u003e2. Designated module with ceramic antenna, super strong signal \u003cbr\u003e3. Save configuration parameter data EEPROM Down \u003cbr\u003e4. With data backup battery \u003cbr\u003e5. With LED signal indicator \u003cbr\u003e6. The default baud rate: 9600 \u003cbr\u003e \u003cbr\u003ePower \u003cbr\u003e1. TP5400 \u003cbr\u003e2. 2A battery management \u003cbr\u003e3. LED indicator: There are 4 LEDs to display the battery status in real time. \u003cbr\u003e4. Power button: Click once to start. Tap twice quickly to close. \u003cbr\u003e5. USB \u003cbr\u003e6. CP2104-GMR \u003cbr\u003e7. Pre-flash firmware: SoftRF V4.0 \u003cbr\u003e \u003cbr\u003ePacking list: \u003cbr\u003e1. TTGO T-Beam ESP32 \u003cbr\u003e2. 433MHz antenna \u003cbr\u003e3. Pin x 1 \u003cbr\u003e4. Screw Washer x 3 \u003cbr\u003e \u003cbr\u003eNote: OLED is not included in the invoice\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"868MHz","offer_id":44039510229080,"sku":"DIY6223","price":164.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY6223.jpg?v=1780113748"},{"product_id":"irs2092s-high-power-500w-class-d-hifi-digital-amplifier-board","title":"IRS2092S High Power 500W Class D HIFI Digital Amplifier Board","description":"\u003cbr\u003e1. Power supply: DC dual power supply ± 58 ± 70v\u003cbr\u003e2. Rated output power: 500w (± 65v power supply, 4 ohm load, 10% deformation)\u003cbr\u003e3. Efficiency: greater than 90%\u003cbr\u003e4. S \/ N ratio: 90db\u003cbr\u003e5. Total harmonic distortion:\u003cbr\u003e380w (+\/- 65 power 4 ohm speaker, distortion \u0026lt;0.1%)\u003cbr\u003e280w (+\/- 65 power 8 ohm speaker, distortion \u0026lt;0.1%)\u003cbr\u003e6. Frequency range: 20Hz-20kHz\u003cbr\u003e7. Voltage magnification: 36 times\u003cbr\u003e8. Input sensitivity 1.5v (RMS)\u003cbr\u003e9. Output short circuit protection: yes\u003cbr\u003e10. Output DC bias protection Speaker protection: yes\u003cbr\u003e11. Overheat protection: Yes, the temperature of the radiator is higher than 100 degrees Celsius, turn off the output!\u003cbr\u003e12. Product size: about 100 × 50 × 30mm\u003cbr\u003e13. Net weight: 100g\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039512621144,"sku":"TBD04242444","price":16.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/TBD04242444.jpg?v=1777260452"},{"product_id":"conductive-ink-pen-diy-electronic-draw-circuits-maker","title":"Conductive Ink Pen DIY Electronic Draw Circuits Maker","description":"1. Circuit marker lets you draw electric circuits on circuit paper. Draw your own circuit on paper. \u003cbr\u003e2. Make jumpers and shield electronics. \u003cbr\u003e3. Make electronic circuits easily, so it''s good for education materials. \u003cbr\u003e4. Provide a smooth pen like writing experience in a smooth paper. \u003cbr\u003e5. Instantly magical pen DIY for student maker.\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039528546392,"sku":"HC4452","price":21.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/HC4452.jpg?v=1777261033"},{"product_id":"yahboom-16-in-1-building-bit-super-kit-programmable-building-block-kit-compatible-with-bbc-micro-bit-v1-5-v2-board-without-micro-bit-super-kit","title":"Yahboom 16 in 1 Building:bit Super Kit Programmable Building Block Kit Compatible with BBC Micro:bit V1.5\/ V2 Board, without micro:bit, Super Kit","description":"\u003cb\u003eNotes\u003c\/b\u003e\u003cbr\u003e1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. \u003cbr\u003e2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. \u003cbr\u003e3. 16-in-1 superkit programmable building block kit is designed based on BBC Micro:bit, which is composed of Super:bit expansion board, building block servo, Building block motor, battery and 358 building block parts. \u003cbr\u003e4. We combine building blocks with electronic devices to bring your building blocks to life, and it can also play music and realize colorful lights. On the one hand, it allows children to learn programming. On the other hand, it can also cultivate children practical ability and stimulate creativity by assembling building blocks.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003e1. Designed based on BBC Micro:bit, equipped with Super:bit professional expansion board. \u003cbr\u003e- Popular microcontrollers for children are suitable for STEAM education. \u003cbr\u003e- Super:bit expansion board specially designed for Micro:bit can integrate with building blocks well, build any shape, and drive building block servo, motor, RGB lights and other devices. \u003cbr\u003e2. 16 kinds of building block models + full color printing project instruction manual \u003cbr\u003e- The building block parts of this kit are dominated by blue and white, the whole is full of science and technology,which can be assembled into N models. \u003cbr\u003e- The manual include assembly steps of 16 kinds of model and basic instruction content for programming. \u003cbr\u003e3. MakeCode programming + Python programming, suitable for users with different ages. \u003cbr\u003e- MakeCode programming: Itcan effectively reduce learning threshold and improve children interest in learning by by dragging and splicing colorful building blocks \u003cbr\u003e- Python programming: A string of character commands control the building blocks, writing a wonderful chapter belonging to the Makers and building block enthusiasts. \u003cbr\u003e4. Support APP\/game handle remote control \u003cbr\u003e- When using different equipment to interact with the building blocks, user can experience the fun brought by technology. \u003cbr\u003e5. Compatible with Lego building block, various gameplays \u003cbr\u003e- 16 kinds of models with up to 80+ gameplays, such as spider walking, helicopter propeller rotation, car wriggling, cannonball shooting, etc. \u003cbr\u003e- Users can also expand through more Lego bricks and build more interesting shapes.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003cbr\u003e1. Applicable age: 8 years old and above \u003cbr\u003e2. Programming language: MakeCode graphical programming\/python programming \u003cbr\u003e3. Remote control method: BT APP\/ micro:bit gamepad \u003cbr\u003e4. Main material: ABS \u003cbr\u003e5. Onboard functions: RGB lights, buzzer, etc. \u003cbr\u003e6. Number of building blocks: 358 high-precision building blocks \u003cbr\u003e7. Motor\/Servo: Motor x 2; Servo x 1 \u003cbr\u003e8. Operating temperature: 4-40 degrees Celsius\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Super Kit","offer_id":44039545880664,"sku":"GPT0789","price":162.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/GPT0789.jpg?v=1777261422"},{"product_id":"yahboom-tinybit-smart-robot-car-compatible-with-micro-bit-v2-1-5-board-without-micro-bit-v2-v1-5-board-tinybit-smart-robot","title":"Yahboom Tinybit Smart Robot Car Compatible with Micro:bit V2\/1.5 board, without Micro:bit V2\/V1.5 Board, Tinybit Smart Robot","description":"\u003cb\u003eNotes\u003c\/b\u003e\u003cbr\u003e1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. \u003cbr\u003e2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. \u003cbr\u003e3. Tiny:bit is a robotic car for the micro:bit education market. It is compact, easy to assemble, and easy to move in tight spaces. The Tiny:bit smart car is based on the micro:bit development board design and uses the online code programming of MakeCode and Python. Rich sensor applications allow Tiny:bit for easy interaction. The Tiny:bit smart car has a set of alligator clips on the rear that can be creative and expand.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003e1. Simple design with small size. \u003cbr\u003e2. Support Makecode graphical programming and Python programming. \u003cbr\u003e3. \"Interactive\" Robotic car. \u003cbr\u003e4. Alligator clip at the end. \u003cbr\u003e5. Intelligent obstacle avoidance, following, playing music, tracking,Interesting lighting and APP supporting. \u003cbr\u003e6. Compatible with building block.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage List\u003c\/b\u003e\u003cbr\u003e1. Car chassis x 1 \u003cbr\u003e2. Remote control x 1 \u003cbr\u003e3. Motor  x 2 \u003cbr\u003e4. Universal wheel x 1 \u003cbr\u003e5. Motor mounting  x 2 \u003cbr\u003e6. Tire  x 2 \u003cbr\u003e7. Micro USB cable x 1 \u003cbr\u003e8. Plastic rivet bag x 1 \u003cbr\u003e9. Line tracking map x 1 \u003cbr\u003e10. Manual x 1 \u003cbr\u003e11. Packing box x 1\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Tinybit Smart Robot","offer_id":44039546142808,"sku":"GPT0790","price":112.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/GPT0790.jpg?v=1777261434"},{"product_id":"120-in-1-universal-t-shape-push-clamp-solderless-wire-connector-fast-wiring-terminal-insulated-joint-connector-set","title":"120 in 1 Universal T Shape Push Clamp Solderless Wire Connector Fast Wiring Terminal Insulated Joint Connector Set","description":"1. Box size: 111x203x30mm \u003cbr\u003e2. Quantity: 120 \u003cbr\u003e3. Style: 6 kinds \u003cbr\u003e4. Material: all copper tin plated \u003cbr\u003e5. Weight: 0.2kg \u003cbr\u003e6. Applicable wire diameter: 0.5-6 square \u003cbr\u003e7. Product use: electrician, household, equipment switch \u003cbr\u003e8. Features: flame retardant casing, thick copper core, complete models\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039571701848,"sku":"CRP1124","price":10.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/CRP1124.jpg?v=1777262563"},{"product_id":"gl09-plus-low-standby-power-consumption-8-channel-monitoring-gsm-alarm-module-gl09-plus","title":"GL09 PLUS Low Standby Power Consumption 8-channel Monitoring GSM Alarm Module, GL09 PLUS","description":"1. Low-power sleep mode design \u003cbr\u003e2. One way alarm voltage output \u003cbr\u003e3. It can detect the voltage of the battery in real time and make a low battery voltage alarm, suitable for battery-powered applications, and a wide voltage supply range from DC5V to DC16V \u003cbr\u003e4. Eight-way alarm detection, users can set different content for each alarm SMS, \u003cbr\u003eThe input port can be selected as NC or NO alarm mode \u003cbr\u003e5. 6 groups of called numbers can be set. When the alarm input has a trigger signal, an alarm message will be sent to the alarm number, or an alarm will be called directly \u003cbr\u003e6. Easy to use, supports iOS and Android apps, you can simply send text messages through the app to set up \u003cbr\u003e7. Wide application fields: mainly home security, warehouses, remote unattended stations, remote monitoring of equipment parameters (such as oil pressure, air pressure, water pressure, voltage, etc.), product upgrades (voltage monitoring, overload monitoring, etc.), safety protection (Smoke, fire, water level monitoring, gas, etc.) Other unattended points \u003cbr\u003e8. Size: 8 x 5.8 x 2.2cm\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"GL09 PLUS","offer_id":44039571898456,"sku":"MDC0138","price":161.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/MDC0138.jpg?v=1777262576"},{"product_id":"ttgo-ov2640-standard-single-lens-camera-module-for-t-camera-plus-esp32-dowdq6-8mb-spram-standard-single-lens","title":"TTGO OV2640 Standard Single Lens Camera Module for T-Camera Plus ESP32-DOWDQ6 8MB SPRAM, Standard Single Lens","description":"1. Product series: camera module \u003cbr\u003e2. Model: OV2640 \u003cbr\u003e3. Purpose: video recorder \u003cbr\u003e4. Power: 3.3W \u003cbr\u003e5. Adapt to T-Camera Plus ESP32-DOWDQ6 8MB SPRAM\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Standard Single Lens","offer_id":44039588413528,"sku":"DCA1338","price":11.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DCA1338.jpg?v=1777263112"},{"product_id":"ttgo-ov2640-fisheye-single-lens-camera-module-for-t-camera-plus-esp32-dowdq6-8mb-spram-fisheye-single-lens","title":"TTGO OV2640 Fisheye Single Lens Camera Module for T-Camera Plus ESP32-DOWDQ6 8MB SPRAM, Fisheye Single Lens","description":"1. Product series: camera module \u003cbr\u003e2. Model: OV2640 \u003cbr\u003e3. Purpose: video recorder \u003cbr\u003e4. Power: 3.3W \u003cbr\u003e5. Adapt to T-Camera Plus ESP32-DOWDQ6 8MB SPRAM\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Fisheye Single Lens","offer_id":44039588741208,"sku":"DCA1340","price":24.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DCA1340.jpg?v=1777263121"},{"product_id":"2-pcs-landa-tianrui-ldtr-wg0116-2-in-1-dc-2a-booster-board-module","title":"2 PCS Landa Tianrui LDTR-WG0116 2 in 1 DC 2A Booster Board Module","description":"1. The adjustable boost module, can be easily installed in a variety of small equipment inside. \u003cbr\u003e2. Output current: 2A. \u003cbr\u003e3. Input voltage: 2-24V. \u003cbr\u003e4. Output voltage: 5 - 28V. \u003cbr\u003e5. Conversion efficiency: 93 percent.\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039607582808,"sku":"DIY0091","price":3.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0091.jpg?v=1777263710"},{"product_id":"200-pcs-car-remote-control-button-awitch-button-package-patch-tact-switch-button-package-200pcs","title":"200 PCS Car Remote Control Button Awitch Button Package Patch Tact Switch Button Package, 200pcs","description":"1. 10 specifications, 20 for each, a total of 200. \u003cbr\u003e2. Specifications: 3*4*2.5 \/ 3*4*2.5 \/ 3*6*4.3 \/3*6*5 \/ 3*4*2 \/ 3*4*2 \/ 4*4*1.5 \/ 4*4* 0.8 \/ 3*6*2.5 \/ 6*6*3.1. \u003cbr\u003e3. The products are widely used in the mainstream model remote control, LCD panel button switch.\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"200pcs","offer_id":44039608008792,"sku":"DIY0131","price":13.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0131.jpg?v=1777263741"},{"product_id":"3592-2b-diy-mini-dc-dc-12v-to-5v-step-down-power-supply-module","title":"3592-2B DIY Mini DC-DC 12V To 5V Step Down Power Supply Module","description":"Features: \u003cbr\u003e1. The USB port 5V power supply can be converted to 12V output (the output port needs DIY welding). With boost converter circuit, stable quality \u003cbr\u003e2. This model is an improved version, using professional boost chip, larger shielding inductance and Schottky diode, it is more stable to use \u003cbr\u003e3. Product use: USB 5V power supply can be converted to 12V output, power cord of DIY car driving recorder, electronic dog can be connected, and power supply for some 12V household equipment with power of 10-12W. \u003cbr\u003e \u003cbr\u003eSpecifications \u003cbr\u003e1. Interface type: USB input x 1 \u003cbr\u003e2. Input interface: USB \u003cbr\u003e3. Output interface: wiring board \u003cbr\u003e4. Input voltage: 5V \u003cbr\u003e5. Input current: 2A-3A \u003cbr\u003e6. Output voltage: 12V \u003cbr\u003e7. Output current: 1A (max) \u003cbr\u003e8. Product material: With professional IC boost circuit, increased shielding inductance, high current Schottky diode, more stable performance\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039608107096,"sku":"DIY0137","price":4.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0137.jpg?v=1777263749"},{"product_id":"lilygo-t-motion-v1-0-t-motion-915-smart-development-board-s76g-lora-stm32-gnss-wireless-module-t-motion-915","title":"LILYGO T-Motion V1.0 T-Motion 915 Smart Development Board S76G LORA STM32 GNSS Wireless Module, T-Motion 915","description":"Features: \u003cbr\u003e1. Main chip: S76G Lora Chip \u003cbr\u003e2. Button: BOAT \u003cbr\u003e3. Auto clock: 26 MHz active crystal \u003cbr\u003e4. Antenna Model: LORA 868 MHZ GPS Antenna \u003cbr\u003e5. Temperature: -45-80 Degrees C \u003cbr\u003e6. Size: 78.12 x 25.40 x 62.67mm \u003cbr\u003e \u003cbr\u003eMicrocontroller: \u003cbr\u003e1. STM32L073Z \u003cbr\u003e2. High-performance ARM Cortex--M + 32-bit RISC core, working frequency 32MH \u003cbr\u003e3. 192 kilobytes of flash \u003cbr\u003e4. USB2.0 Full Speed a??a??Device \/ Host \u003cbr\u003e5. 20 kbytes sram \u003cbr\u003e6. Serial Wire Debug (SWD) and JTAG \u003cbr\u003e \u003cbr\u003eLORA chip: \u003cbr\u003e1. Semtech SX1276 \u003cbr\u003e2. LoRa modem \u003cbr\u003e3. 20dBm constant RF output vs. V power supply \u003cbr\u003e4. Programmable bit rate up to 37500bps \u003cbr\u003e5. High sensitivity: as low as -137dBm \u003cbr\u003e6. Leader detection payload up to 128 bytes, automatic RF sensing with using ultra-high-speed AFC, and CAD anti-blocking ability \u003cbr\u003e \u003cbr\u003eGNSS chip: \u003cbr\u003e1. CXD5603GF \u003cbr\u003e2. GPS \/ GLONASS receiver \u003cbr\u003e3. Ultra-low power \u003cbr\u003e4. Supports SBAS \/ QZSS \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"T-Motion 915","offer_id":44039608631384,"sku":"DIY0142","price":104.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0142.jpg?v=1777263757"},{"product_id":"lilygo-t-motion-v1-0-t-motion-923-smart-development-board-s76g-lora-stm32-gnss-wireless-module-t-motion-923","title":"LILYGO T-Motion V1.0 T-Motion 923 Smart Development Board S76G LORA STM32 GNSS Wireless Module, T-Motion 923","description":"Features: \u003cbr\u003e1. Main chip: S76G Lora Chip \u003cbr\u003e2. Button: BOAT \u003cbr\u003e3. Auto clock: 26 MHz active crystal \u003cbr\u003e4. Antenna Model: LORA 868 MHZ GPS Antenna \u003cbr\u003e5. Temperature: -45-80 Degrees C \u003cbr\u003e6. Size: 78.12 x 25.40 x 62.67mm \u003cbr\u003e \u003cbr\u003eMicrocontroller: \u003cbr\u003e1. STM32L073Z \u003cbr\u003e2. High-performance ARM Cortex--M + 32-bit RISC core, working frequency 32MH \u003cbr\u003e3. 192 kilobytes of flash \u003cbr\u003e4. USB2.0 Full Speed a??a??Device \/ Host \u003cbr\u003e5. 20 kbytes sram \u003cbr\u003e6. Serial Wire Debug (SWD) and JTAG \u003cbr\u003e \u003cbr\u003eLORA chip: \u003cbr\u003e1. Semtech SX1276 \u003cbr\u003e2. LoRa modem \u003cbr\u003e3. 20dBm constant RF output vs. V power supply \u003cbr\u003e4. Programmable bit rate up to 37500bps \u003cbr\u003e5. High sensitivity: as low as -137dBm \u003cbr\u003e6. Leader detection payload up to 128 bytes, automatic RF sensing with using ultra-high-speed AFC, and CAD anti-blocking ability \u003cbr\u003e \u003cbr\u003eGNSS chip: \u003cbr\u003e1. CXD5603GF \u003cbr\u003e2. GPS \/ GLONASS receiver \u003cbr\u003e3. Ultra-low power \u003cbr\u003e4. Supports SBAS \/ QZSS\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"T-Motion 923","offer_id":44039608795224,"sku":"DIY0143","price":96.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0143.jpg?v=1777263766"},{"product_id":"ttgo-mini32-v2-0-13-esp32-wifi-bluetooth-module-development-board-electronic-module","title":"TTGO Mini32 V2.0.13 ESP32 WiFi Bluetooth Module Development Board Electronic Module","description":"1. Model Number: MINI 32 V2.0 \u003cbr\u003e2. Main chip: ESP 32 \u003cbr\u003e3. Flash Memory Chip: 25Q32 \u003cbr\u003e4. Charging IC Chip: TP4054 \u003cbr\u003e5. USB to Serial Port Chip: CH340C \u003cbr\u003e6. Package Includes: \u003cbr\u003e1 x TTGO MINI 32 V2.0 ESP32 WiFi Bluetooth Module \u003cbr\u003e2 x Long Female Pins \u003cbr\u003e2 x Normal Pins \u003cbr\u003e4 x Short Female Pins\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039608893528,"sku":"DIY0144","price":25.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0144.jpg?v=1777263778"},{"product_id":"ttgo-t7-v1-5-mini32-expansion-board-esp32-wrover-b-psram-wi-fi-bluetooth-module-development-board","title":"TTGO T7 V1.5 Mini32 Expansion Board ESP32-WROVER-B PSRAM Wi-Fi Bluetooth Module Development Board","description":"Hardware Specifications:   \u003cbr\u003e1. Chipset: ESPRESSIF-WROVER-B 240MHz Xtensa single-\/dual-core 32-bit LX6 microprocessor \u003cbr\u003e2. FLASH: QSPI flash 4MB \/ PSRAM  8MB \u003cbr\u003e3. SRAM: 520KB SRAM \u003cbr\u003e4. Button: reset \u003cbr\u003e5. Power indicator lamp: red \u003cbr\u003e6. USB to TTL: CH9102F QFN24 \u003cbr\u003e7. Modular interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA  pre-amplifier \u003cbr\u003e8. On-board clock: 40MHz crystal oscillator  \u003cbr\u003e9. Working voltage: 2.7V-3.6V \u003cbr\u003e10. Working current: about 30mA \u003cbr\u003e11. Working temperature range: -40~ +85 Degrees Celsius \u003cbr\u003e12. Size\u0026amp;weight: 40.27x31.07x8.13mm, 6.42g \u003cbr\u003e \u003cbr\u003ePower Supply Specifications:   \u003cbr\u003e1. Power Supply: USB 5V\/1A \u003cbr\u003e2. Charging current: 500mA \u003cbr\u003e3. Battery: 3.7V lithium battery \u003cbr\u003e \u003cbr\u003eWiFi Description: \u003cbr\u003e1. Standard FCC\/CE-RED\/IC\/TELEC\/KCC\/SRRC\/NCC \u003cbr\u003e2. Protocol: 802.11 b\/g\/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4??S Protection interval \u003cbr\u003e3. Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M) \u003cbr\u003e4. Transmit Power: 22dBm \u003cbr\u003e5. Communication distance: 300m \u003cbr\u003e \u003cbr\u003eBluetooth Description: \u003cbr\u003e1. Protocol: meet bluetooth v4.2BR\/EDR and BLE standard \u003cbr\u003e2. Radio frequency: with -97dBm sensitivity NZIF receiver Class-1, Class-2\u0026amp;Class-3 emitter AFH \u003cbr\u003e3. Audio frequency: CVSD\u0026amp;SBC audio frequency \u003cbr\u003e \u003cbr\u003eSoftware specification Description: \u003cbr\u003e1. WiFi Mode: Station\/SoftAP\/SoftAP+Station\/P2P \u003cbr\u003e2. Security mechanism: WPA\/WPA2\/WPA2-Enterprise\/WPS \u003cbr\u003e3. Encryption Type : AES\/RSA\/ECC\/SHA \u003cbr\u003e4. Firmware upgrade: UART download\/OTA???Through network\/host to download and write firmware??? \u003cbr\u003e5. Software Development: Support cloud server development \/SDK for user firmware development \u003cbr\u003e6. Networking protocol: IPv4, IPv6, SSL, TCP\/UDP\/HTTP\/FTP\/MQTT \u003cbr\u003e7. User Configuration: AT + Instruction set, cloud server, Android\/iOS APP \u003cbr\u003e8. OS: FreeRTOS\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039609090136,"sku":"DIY0145","price":37.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0145.jpg?v=1777263786"},{"product_id":"ttgo-ts-v1-4-esp32-sd-card-mpu9250-wifi-bluetooth-module-v1-4","title":"TTGO TS V1.4 ESP32 SD Card MPU9250 WiFi Bluetooth Module, V1.4","description":"Hardware Specifications \u003cbr\u003e1. Chipset: ESPRESSIF-ESP32-PCIO-D4 240MHz Xtensa  single-\/dual-core 32-bit LX6 microprocessor \u003cbr\u003e2. FLASH: QSPI flash\/SRAM, up to 4 x 16 MB \u003cbr\u003e3. SRAM  520 kB SRAM \u003cbr\u003e4. KEY: Reset, IO34, IO35, IO39 \u003cbr\u003e5. Power indicator lamp: Red \u003cbr\u003e6. USB to TTL: CP2104 \u003cbr\u003e7. Modular  interface: SD card, UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA  pre-amplifier \u003cbr\u003e8. Working voltage: 2.3V-3.6V \u003cbr\u003e9. Working current: About 60mA \u003cbr\u003e10. Sleep current: 1mA \u003cbr\u003e11. Working temperature range: -40 degree C ~ + 85 degree C  \u003cbr\u003e \u003cbr\u003ePower Supply Specifications \u003cbr\u003e1. Power Supply: USB 5V\/1A \u003cbr\u003e2. Charging current: 500mA \u003cbr\u003e3. Battery: 3.7V lithium battery (not included) \u003cbr\u003e \u003cbr\u003eWi-Fi Description \u003cbr\u003e1. Standard: FCC\/CE\/TELEC\/KCC\/SRRC\/NCC \u003cbr\u003e2. Protocol: 802.11 b\/g\/n\/e\/i (802.11n, speed up to150Mbps) A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval \u003cbr\u003e3. Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M) \u003cbr\u003e4. Transmit Power: 22dBm \u003cbr\u003e5. Communication distance: 300m \u003cbr\u003e \u003cbr\u003eBluetooth Description \u003cbr\u003e1. Protocol: Meet bluetooth v4.2BR\/EDR and BLE standard \u003cbr\u003e2. Radio frequency: With -98dBm sensitivity NZIF receiver Class-1, Class-2\u0026amp;Class-3 emitter AFH \u003cbr\u003e3. Audio frequency: CVSD\u0026amp;SBC audio frequency \u003cbr\u003e \u003cbr\u003eSoftware specification Description \u003cbr\u003e1. Wifi Mode: Station\/SoftAP\/SoftAP+Station\/P2P \u003cbr\u003e2. Security mechanism: WPA\/WPA2\/WPA2-Enterprise\/WPS \u003cbr\u003e3. Encryption Typ:e  AES\/RSA\/ECC\/SHA \u003cbr\u003e4. Frmware upgrade: UART download\/OTA???Through network\/host to download and write firmware \u003cbr\u003e5. Software Development: Support cloud server development \/ SDK for user firmware development \u003cbr\u003e6. Networking protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT \u003cbr\u003e7. User Configuration: AT + Instruction set, cloud server, android\/iOSapp \u003cbr\u003eOS: FreeRTOS \u003cbr\u003e \u003cbr\u003e \u003cbr\u003ePackage list \u003cbr\u003e1. TTGO TS ESP32 Module x 1 \u003cbr\u003e2. Power cable x 1\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"V1.4","offer_id":44039617019992,"sku":"SPS0392","price":149.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/SPS0392.jpg?v=1777264238"},{"product_id":"50w-mp3-stereo-audio-digital-power-amplifier-board-bluetooth-amplifier-module-with-shell-with-shell","title":"50W MP3 Stereo Audio Digital Power Amplifier Board Bluetooth Amplifier Module, with Shell, With Shell","description":"1. Using the rotary encoder used in high-end speakers, stepless tuning, smooth hand feel, one-key start and stop \u003cbr\u003e2. High-quality all-copper DC plug, long life \u003cbr\u003e3. 3.5mm audio output, connected to active power box \u003cbr\u003e4. Free large area heat sink \u003cbr\u003e5. Number of channels: Left and right dual channel (stereo) \u003cbr\u003e6. Protection mechanism: Power reverse connection protection, short circuit protection, self-recovery overheat protection \u003cbr\u003e7. Purpose: Bluetooth speaker amplifier motherboard \u003cbr\u003e8. Bluetooth version: 5.0 \u003cbr\u003e9. Adapter speaker: 0-200W 4 ohm 8 ohm 16 ohm \u003cbr\u003e10. Transmission distance: 15 meters (without blocking) \u003cbr\u003e11. Supply voltage: DC 5-24V \u003cbr\u003e12. Dimensions: 56x50x18mm\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"With Shell","offer_id":44039620493400,"sku":"DIY0541","price":15.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0541.jpg?v=1777264412"},{"product_id":"dy-hv20t-12v-24v-10w-20w-voice-playback-module-mp3-music-player-uart-i-o-trigger-amplifier-board-module-dy-hv20t","title":"DY-HV20T 12V\/24V 10W\/20W Voice Playback Module MP3 Music Player UART I\/O Trigger Amplifier Board Module, DY-HV20T","description":"1. Support MP3, WAV decoding format. \u003cbr\u003e2. Support sampling rate (KHz): 8\/11.025\/12\/16\/22.05\/24\/32\/44.1\/48. \u003cbr\u003e3. 24-bit DAC output, dynamic range supports 90dB, signal-to-noise ratio supports 85dB. \u003cbr\u003e4. DC 6~35V ultra-wide working voltage. \u003cbr\u003e5. Support up to 32G memory card, can connect to computer via USB data cable to update and store audio files. \u003cbr\u003e6. Integrated high-power amplifier output, driving 4?? speakers up to 20W, driving 8?? speakers up to 10W. \u003cbr\u003e7. The UART serial port controls the voice broadcast function, which can control play, pause, song selection, volume addition and subtraction and other functions. The selection of songs is up to 65535 songs, and the baud rate is 9600 bit\/s. \u003cbr\u003e8. Support IO one-to-one trigger playback function, 8 IO ports can trigger 8 tracks individually or 8 IO ports can trigger 255 tracks in combination. \u003cbr\u003e9. Support One_line single-bus serial port control, which can control functions such as play, pause, song selection, volume addition and subtraction. \u003cbr\u003e10. Support 3 configuration IOs for up to 7 working modes selection, DIP switch settings, easy to operate. \u003cbr\u003e11. 8-way IO design ESD protection\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"DY-HV20T","offer_id":44039621902424,"sku":"DIY0551","price":17.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0551.jpg?v=1777264486"},{"product_id":"tpa7498e-power-amplifier-board-bluetooth-module-stereo-2-1-audio-treble-and-bass-control-subwoofer","title":"TPA7498e Power Amplifier Board Bluetooth Module Stereo 2.1 Audio Treble and Bass Control Subwoofer","description":"1. Model: XY-S220H \u003cbr\u003e2. Item: 2.1 channel Bluetooth-compatible audio amplifier board \u003cbr\u003e3. Power supply: above DC12-38V\/10A \u003cbr\u003e4. Bluetooth-compatible version: 5.1 \u003cbr\u003e5. Audio channel: 2.1 channel \u003cbr\u003e6. Audio input: Bluetooth-compatible+AUX+U disk+USB sound card \u003cbr\u003e7. Audio output: left and right channels + subwoofer \u003cbr\u003e8. Frequency range: 20HZ--20KHZ \u003cbr\u003e9. Volume adjustment: high-end encoder knob adjustment, smooth feel \u003cbr\u003e10. Left and right channel maximum output power: 160W\/4ohms----36V DC, 80W\/8ohms---36V DC \u003cbr\u003e11. Subwoofer maximum output power: 220W\/3ohms----36V DC, 160W\/4ohms----36V DC \u003cbr\u003e12. Protection mechanism: overvoltage, undervoltage, clipping, short circuit, overheating, etc. \u003cbr\u003e13. Unique function: Support Sinilink-APP to modify the Bluetooth-compatible name, set the 14. Bluetooth-compatible password, turn off\/on the prompt tone\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039622131800,"sku":"DIY0553","price":87.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0553.jpg?v=1777264501"},{"product_id":"2-1-channel-bluetooth-digital-power-amplifier-motherboard-module-12v-passive-subwoofer","title":"2.1 Channel Bluetooth Digital Power Amplifier Motherboard Module 12V Passive Subwoofer","description":"1. Product model: XY-E30H \u003cbr\u003e2. Name: 2.1 channel for Bluetooth audio power amplifier board module \u003cbr\u003e3. Power supply: DC9-24V\/3A above \u003cbr\u003e4. Bluetooth version: 5.1 \u003cbr\u003e5. Audio channel: 2.1 channel \u003cbr\u003e6. Audio input: For Bluetooth + AUX \u003cbr\u003e7. Audio output: left and right channels + subwoofer \u003cbr\u003e8. Volume adjustment: high-end encoder knob adjustment feel smooth \u003cbr\u003e9. Frequency range: 20HZ--30KHZ \u003cbr\u003e10. Signal to noise ratio: 92dB \u003cbr\u003e11. Output power: 15W x 2 (left and right channels) + 30W (subwoofer) \u003cbr\u003e12. Satellite box (left and right channel) adapted speakers: 5W--30W\/4 ohms--16 ohms \u003cbr\u003e13. Subwoofer (subwoofer) adapted speakers: 5W--50W\/4 ohms--8 ohms \u003cbr\u003e14. Protection mechanism: electrostatic protection, overcurrent protection, short circuit protection, overheating protection \u003cbr\u003e15. Unique function: Support Sinilink-APP, modify Bluetooth name setting, Bluetooth password close\/open prompt sound \u003cbr\u003e16. Dimensions: 70 x 73 x 20mm \u003cbr\u003e17. Weight: 98g\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039622197336,"sku":"DIY0554","price":25.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0554.jpg?v=1777264510"},{"product_id":"30wx2-high-power-stereo-digital-amplifier-board-12v-24v-power-supply-diy-power-amplification-module","title":"30Wx2 High-Power Stereo Digital Amplifier Board 12V\/24V Power Supply DIY Power Amplification Module","description":"1. Operating voltage: DC 8~24V \u003cbr\u003e2. Operating mode: class D (PMW modulation) \u003cbr\u003e3. Number of channels: ctereo (dual channel) \u003cbr\u003e4. Maximum output power:  \u003cbr\u003e18Wx@12V 4 Ohm \u003cbr\u003e10Wx@12V 8 Ohm \u003cbr\u003e15Wx@16V 8 Ohm \u003cbr\u003e20Wx@20V 8 Ohm \u003cbr\u003e30Wx@24V 8 Ohm \u003cbr\u003e5. Adapted speakers(30W~150W):  \u003cbr\u003e4 ohms (8-12V power supply) \u003cbr\u003e8 ohm (8-24V power supply) \u003cbr\u003e6. Module protection mechanism: power reverse connection protection, short circuit protection, self-recovery overheating protection \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"Default Title","offer_id":44039622688856,"sku":"DIY0571","price":7.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/DIY0571.jpg?v=1777264535"}],"url":"https:\/\/dropkartllc.com\/collections\/diy-parts-components.oembed","provider":"DropKart","version":"1.0","type":"link"}