Photoresistor Sensor Module Brightness Photoelectric Light Detection Sensor Light Control Switch 3/4 Pin DC5/12V

$2.85

Waterproof Ultrasonic Ranging Module High-Precision Obstacle Avoidance Sensor Smart Car Robot Automatic Induction S21C

$74.00

HC-SR501 SR505 Human Body Infrared Sensor Electronic Module PIR Sensor Switch SR602

$2.82

HC-SR04 Ultrasonic Module HC-SR04 Ultrasonic Supports 51/STM32

$0.75

Keyes HC-SR04 Ultrasonic Sensor Ranging Module for Arduino Smart Car Obstacle Avoidance DIY

$4.41

5-Channel Digital Line Tracking Sensor Five-Channel Gray Scale Tracing Module Photoelectric Black/White/Red Line Recognition for Competitions

$58.00

Ambient Light Intensity Detection Brightness Module Suitable for Arduino Photoresistor Sensor Module

$4.80

Photoresistor Sensor Module Brightness Light Photoelectric Switch Detection Sensor with Free Dupont Lines 3 4-Pin

$3.27

High Precision Infrared Laser Distance Measurement Module 485 Ultrasonic Level Material Level Modbus Sensor Serial Communication

$138.00

Infrared Sensor Module Line Tracking Obstacle Avoidance Module Photoelectric Reflective Smart Car Pair Photoelectric Switch

$2.37

Infrared Diffuse Reflection Proximity Induction Photoelectric Switch E18-D80NK Obstacle Avoidance Sensor Module NPN Three-Wire 5V

$12.72

HY-SRF05 Five-Pin Ultrasonic Module Ultrasonic Ranging Module/Ultrasonic Sensor with Data Included

$9.31