RFID Reader USB Port EM4100 TK4100 125khz ID Contactless Sensitivity Smart Card Support Window System Linux

$1.77

Ultrasonic Distance Measuring Module HC-SR04 Test Version Serial Output Digital Tube Display Distance Meter

$0.96

TZT Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module

$0.76

TZT SHT20 Digital Temperature And Humidity Sensor Module Measurement I2C Communication For Arduino

$1.08

ENS160+AHT21 CARBON Dioxide CO2 eCO2 TVOC Air Quality And Temperature And Humidity Sensor Replace CCS811 For Arduino

$3.11

TZT MH-Z19 infrared co2 sensor for co2 monitor MH-Z19B Infrared Carbon Dioxide co2 gas Sensor 0-5000ppm for arduino

$17.03

TZT For Arduino Dual Channel HX711 Weighing Pressure Sensor 24-bit Precision A/D Module DIY Electronic Scale

$0.27

TZT New DHT21 AM2301A Capacitance Digital Temperature And Humidity Sensor For Arduino

$1.11

Thermal Sensor Module Temperature Sensor Module Thermistor Sensor for arduino Diy Kit

$0.19

TZT F233-01 Four-way infrared tracing / 4 channel tracking module / transmission line / obstacle avoidance / car / robot sensors

$0.61

TZT GP2Y1014AU0F Compact Optical Dust Sensor Compatible GP2Y1010AU0F GP2Y1010AUOF Smoke Particle Sensor With Cable

$2.43

Capacitive touch dimmer Constant pressure stepless dimming PWM control panel type LED dimmer switch module for Arduino

$0.74

MH-SR602 MINI Motion Sensor Detector Module Pyroelectric Infrared PIR kit sensory switch Bracket for arduino Diy With lens

$0.40

TZT DC 12V 24V 8A Automatic Adjust PIR Motion Sensor Switch IR Infrared Detector Light Switch Module for LED Strip Light Lamp

$1.41

TZT CJMCU-103 Rotary Angle Sensor SMD Dust-Proof Angle Sensing Potentiometer Module SV01A103AEA01R00

$0.62

TZT Intelligent electronic BH1750 BH1750FVI Chip Light Intensity Light Module Light ball for Arduino

$1.18

50kg Body Load Cell Weighing Sensor Resistance Strain Half-bridge Total Weight Scales Sensors Pressure Measurement DIY Kit

$0.25

Piezoelectric shock tap sensor Vibration switch module piezoelectric sheet percussion for Arduino 51 UNO MEGA2560 r3 DIY Kit

$0.42

TZT 5V/12V Water Level Automatic Controller Relay Liquid Sensor Switch Solenoid Valve Motor Pump Automatic Control Relay Board

$0.86

TZT 6A DC 3V 3.3V 3.7V 5V Electronic Switch Latch Bistable Self-locking Trigger Board for LED Motor Driver Solar Lithium battery

$1.11