TZT DC 5V 12V soil moisture sensor relay control module Automatic watering of the humidity starting switch

$0.73

LM2596s DC-DC Step-down Power Supply Module 3A Adjustable Step-down Module LM2596 Voltage Regulator 24V 12V 5V 3V

$0.25

TZT DS1820 Stainless steel package Waterproof DS18b20 temperature probe temperature sensor 18B20 1M/2M//3M For Arduino

$0.36

Piezoelectric Shock Tap / Ceramic Piezo / 801s Shake / SW-420 / SW18010P / SW-18015P Vibration Switch Sensor Module For Arduino

$0.14

1 4 5 8 Channel TCRT5000 IR Photoelectric Switch Barrier Line Track Module Infrared Obstacle Avoidance Sensor For Arduino DIY

$0.21

ESP8266 ESP-12 ESP-12F CH340G CH340 V2 USB WeMos D1 Mini WIFI Development Board D1 Mini NodeMCU Lua IOT Board 3.3V With Pins

$0.21

TZT 5PCS PIR D203S LHI874 LHI878 RE200B P228 Fresnel lens PIR Sensor

$0.92

MPU9250 BMP280 10DOF Acceleration Gyroscope Compass Nine Shaft Sensor Module GY-91

$6.97

GY-302 GY-30 BH1750 BH1750FVI The digital optical intensity illumination sensor BH1750FVI of module for arduino 3V-5V

$0.62

DIY Mall RGB Gesture Sensor APDS-9960 ADPS 9960 for arduino I2C Interface 3.3V Detectoin Proximity Sensing Color UV Filter

$1.03

SHT31 Digital Temperature and Humidity Sensor Module SHT31-D I2C Interface Environmental Detection Smart Home

$1.29

SPI/IIC GY-9250 MPU 9250 MPU-9250 9-Axis Attitude +Gyro+Accelerator+Magnetometer Sensor Module MPU9250

$6.22

TZT GY-291 ADXL345 3-Axis Digital Gravity Sensor Acceleration Module IIC/SPI transmission module Tilt Sensor For Arduino

$0.88

GY-87 I2C/IIC 10DOF MPU6050 HMC5883L BMP180 Sensor Board Module GY87 For Arduino 5V Power Built-in Filters High Accurancy

$2.05

TZT Sound sensor module sound control sensor MAX4466 MAX9814 switch detection whistle switch microphone amplifier For Arduino

$0.21

TZT GY-63 MS5611 High-resolution Atmospheric Height Sensor Module IIC / SPI Communication

$2.96

Humidity Sensor with I2C IIC Interface Si7021 Industrial High Precision GY-21 Temperature Sensor Module Low Power CMOS 10*12mm

$0.76

TZT IIC I2C GY-521 MPU-6050 MPU6050 3 Axis Analog Gyroscope Sensors + 3 Axis Accelerometer Module For Arduino With Pins 3-5V DC

$1.33

TZT Precision DS3231 Real Time Clock Module RTC DS3231 3.3V/5V with Battery for Raspberry Pi for arduino DIY Kit

$0.65

TZT IIC Real Time Clock RTC Module Board PCF8563 PCF8563T 8563 Good than DS3231 AT24C32

$0.33