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DHT21/AM2301 Capacitive Digital Temperature Humidity Sensor DHT21/AM2301 Capacitive Digital Temperature Humidity Sensor 1.Description:  It is a temperature and humidity sensor.It is a temperature and humidity composite sensor with a calibrated digital signal output.It uses digital module acquisition technology and temperature and humidity sensing te... $7.99 SKU: GY19802
$7.99

4 Channel 18650 Lithium Battery Holder V8 Mobile Power Expansion Board 4 Channel 18650 Lithium Battery Holder V8 Mobile Power Expansion Board 1.Description:  It is a 18650 lithium battery expansion board. This module is a portable power bank, supporting two voltage outputs of 3V/1A and 5V/2.2A.   2.Feature:  1).It has multiple output ports for yo... $12.99 SKU: GY19481-2
$12.99

18650 Lithium Battery Holder V8 Mobile Power Expansion Board 18650 Lithium Battery Holder V8 Mobile Power Expansion Board 1.Description:  It is a 18650 lithium battery expansion board.This module is a portable power bank, supporting two voltage outputs of 3V/1A and 5V/2.2A.   2.Feature:  1).It has multiple output ports for you... $6.39
$7.99
SKU: GY19481-1
$6.39
$7.99

DC-DC Boost Module 8-32V to 45-390V 5A 40W ZVS Capacitor Charging Power Supply Module Voltage Converter DC-DC Boost Module 8-32V to 45-390V 5A 40W ZVS Capacitor Charging Power Supply Module Voltage Converter 1.Description:  It is a DC-DC boost module. It has a 780V ultra-wide voltage range,input dual current limiting protection,output voltage stabilization function,suitable for capacitor charging,hunting,rodent control,glow tube power ... $7.99
$9.99
SKU: GY19480
$7.99
$9.99

5A Overcurrent Protection Sensor Module AC Current Detection Sensor DC 12V Relay Module 5A Overcurrent Protection Sensor Module AC Current Detection Sensor DC 12V Relay Module 1.Description:   It is a overcurrent protection sensor module. It uses a current transformer to collect AC signals and realizes the relay signal output after an overcurrent in the range of 0-5A.The relay pulls in when there is over... $4.79
$5.99
SKU: GY19799
$4.79
$5.99

HW-XC508 Smart Sensor Switch Smart Home Microwave Sensor Module 5.8GHZ Microwave Sensor HW-XC508 Smart Sensor Switch Smart Home Microwave Sensor Module 5.8GHZ Microwave Sensor 1.Description:   It is a HW-XC508 smart sensor switch.According to the principle of Doppler effect, it uses a planar antenna to send and receive high-frequency electromagnetic waves,and then detects a small movement change in the b... $7.19
$8.99
SKU: GY19753
$7.19
$8.99

Infrared Obstacle Avoidance Sensor Module Photoelectric Reflection Compatible with Car Accessories Infrared Obstacle Avoidance Sensor Module Photoelectric Reflection Compatible with Car Accessories 1.Description:   This is a commonly used obstacle avoidance sensor,which mainly uses a pair of infrared transmission and reception Pipe components.   The principle is that the transmitting tube emits a certain frequency... $4.79
$5.99
SKU: GY19784
$4.79
$5.99

DC 4V-30V LM35 Temperature Sensor 0-100℃ Temperature Detection Module DC 4V-30V LM35 Temperature Sensor 0-100℃ Temperature Detection Module 1.Description: It is a temperature sensor module.Its output voltage has a linear relationship with the Celsius temperature scale.The conversion formula is as follows.The output is 0V at 0,and the output voltage increases by 10mV for eve... $4.79
$5.99
SKU: GY19783
$4.79
$5.99

USB Tester Current Voltage Capacity Power Test Mobile Phone Charger Mobile Power Bank Safety Monitor USB Tester Current Voltage Capacity Power Test Mobile Phone Charger Mobile Power Bank Safety Monitor 1.Description:  It is a USB multi-function detection instrument.The product has the functions of USB current and voltage,capacity,power,temperature,charging timer,timing disconnection,monitoring display and so on.It also has the... $7.19
$8.99
SKU: GY19760
$7.19
$8.99

DC 3.3V-5V 5kg Resistive Thin Film Pressure Sensor Module for Arduino DC 3.3V-5V 5kg Resistive Thin Film Pressure Sensor Module for Arduino 1.Description:  This sensor module is based on nano pressure-sensitive materials supplemented with comfortable Yang-style modulus ultra-thin film substrates for one-time patching,and it has both waterproof and pressure-sensitive du... $6.39
$7.99
SKU: GY19782
$6.39
$7.99

MAX31865 Resistance Temperature Detector RTD Sensitivity Thermistor to Digital Output Converter PT100 to PT1000 MAX31865 Resistance Temperature Detector RTD Sensitivity Thermistor to Digital Output Converter PT100 to PT1000 1.Description:   MAX31865 is an easy-to-use thermistor-to-digital output converter,optimized for platinum resistance temperature detectors.   2.Feature:  1).Its external resistance sets the RTD sensitivity, and the ... $6.39
$7.99
SKU: GY19780
$6.39
$7.99

MAX31855 Thermocouple Module DC 3V-5V Temperature Sensor SPI Interface High-speed Transmission MAX31855 Thermocouple Module DC 3V-5V Temperature Sensor SPI Interface High-speed Transmission 1.Description:  It is a MAX31855 thermocouple module.It has cold junction compensation and converts K,J,N,T or E thermocouple signals into digital quantities.   2.Feature:  1).Output 14-bit signed data,output in rea... $4.79
$5.99
SKU: GY19778
$4.79
$5.99

DIY Kit RGB Flash LED Circuit Music Christmas Tree Kit, 3D RGB Xmas Tree DIY Soldering Practice Kits DIY Kit RGB Flash LED Circuit Music Christmas Tree Kit, 3D RGB Xmas Tree DIY Soldering Practice Kits 3D Flash RGB Christmas Tree DIY Kit   1.Introduction: It is a 3D RGB Music Christmas tree kit consists of circuit board and allows 37pcs LED flash with music and showing a Christmas tree in RGB (the night environment has... $12.72
$18.99
SKU: GY19939
$12.72
$18.99

33

Wireless Charger Receiver DC 5V Wireless Charging Adapter Sensing Distance 2-8mm with Forward Direction Charging Interface Wireless Charger Receiver DC 5V Wireless Charging Adapter Sensing Distance 2-8mm with Forward Direction Charging Interface 1.Description:  It is a wireless charger receiver.It can be used with the transmitter to wirelessly charge the mobile phone. It is compatible with most transmitters. 2.Feature:  1).It is easy to use,just plug the recei... $4.19
$5.99
SKU: GY19747-1
$4.19
$5.99

31

DC 5V 5W Wireless Charging Receiver Module PCBA Circuit Board Sensing Distance 8mm with 5cm Long Thread DC 5V 5W Wireless Charging Receiver Module PCBA Circuit Board Sensing Distance 8mm with 5cm Long Thread 1.Description:  It is a 5V wireless charging receiver module.It can be used with the transmitter for wireless charging. 2.Feature:  1).It can be connected to charge the battery.  2).The connecting wire is highly... $4.19
$5.99
SKU: GY19745
$4.19
$5.99

31

10W High-Power Wireless Charging Transmitter Module PCBA Circuit Board Wireless Charger Sensing Distance 8mm 10W High-Power Wireless Charging Transmitter Module PCBA Circuit Board Wireless Charger Sensing Distance 8mm 1.Description:  It is a wireless charger transmitter.It can charge mobile phones with wireless charging.If the mobile phone does not have the wireless charging function,you can purchase another receiver to charge it. 2.Featur... $3.91
$5.59
SKU: GY19744
$3.91
$5.59

30

Bluetooth Audio Transmitter Module Stereo Mini Wireless Music Transfer Module Bluetooth Audio Transmitter Module Stereo Mini Wireless Music Transfer Module Bluetooth 4.1 Audio Transmitter Module Stereo Music USB Sound Card Wireless Transfer to Speakers Headphones KCX_BT_EMITTER   Description: 1.KCX_BT_EMITTER module is a Bluetooth audio transmitter module that integrates computer ... $5.24
$6.99
SKU: GY19733
$5.24
$6.99

26

FM MW SW Wireless Radio Receiver Module DC 3.7V Alarm Clock FM MW SW Wireless Radio Receiver Module DC 3.7V Alarm Clock 1.Description:   It is a FM MW SW Wireless Radio Receiver Module. It supports FM 87-108MHz, MW 522-1620KHz, SW 4.75-21.85MHz optional working frequency. So user just needs connect work voltage and speakers or headset.  ... $8.39
$13.99
SKU: GY19732
$8.39
$13.99

40

1.77 Inch LCD Screen SPI Serial Port Module ST7735 Driver 128*160 Resolution TFT Display Module 1.77 Inch LCD Screen SPI Serial Port Module ST7735 Driver 128*160 Resolution TFT Display Module 1.Description:  It is a 1.77 inch LCD screen.It has a 1.77-inch LCD screen,which is compact and easy to carry.   2.Feature:  1).It uses an LCD screen and has no electromagnetic radiation,which is safer for the human... $5.91
$7.99
SKU: GY19722
$5.91
$7.99

26

0.96 Inch Yellow Blue OLED Display Module Support IIC Communication 51 Single Chip Microcomputer 128*64 Resolution 0.96 Inch Yellow Blue OLED Display Module Support IIC Communication 51 Single Chip Microcomputer 128*64 Resolution 1.Description:  It is a 0.96 inch OLED display module.It can be programmed to display the screen you want.   2.Feature:  1).It supports multiple platforms,51 series,STM32/2,CSR chips.  2).It has low power con... $4.43
$5.99
SKU: GY19720-3
$4.43
$5.99

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