HC-SR04 Ultrasonic Module 3.3V-5V Distance Measurement Sensor Board

$2.79

HC-SR04 US-100 US-015 Ultrasonic Module Distance Measurement Sensor

$4.82

Original JSN-SR04T Integrated Ultrasonic Ranging Module Reverse Radar Waterproof Ultrasonic Sensor

$3.50

HC-SR04 Ultrasonic Module 3.3V-5V Distance Measurement Sensor Board

$5.94

AJ-SR04M Integrated Transceiver Reverse Parking Radar rcwl-1670 Waterproof Ultrasonic Sensor Ranging Module

$10.85

Smart Car Speed Measurement Module Encoder Counter Motor Test Infrared Slotted Optocoupler Through-Beam Photoelectric Sensor

$3.99

TELESKY US-100 Ultrasonic Ranging Module with Temperature Compensation Dual-Mode Ultrasonic Sensor

$17.36

Ultrasonic Module HC-SR04 Ultrasonic Distance Measurement Module Ultrasonic Sensor Electronic DC5V

$6.47

Gatson Photosensitive Resistor Sensor Module - Light Switch & Detection for Smart Cars (4-Wire)

$1.30

HC-SR501 RD-624 Human Body Infrared Induction Electronic Module Sensor Pyroelectric Probe Induction Switch

$3.08

Ultrasonic Distance Measurement Module Radar Induction Switch Human Detection Sensor Waterproof Obstacle Avoidance Module 485

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Digital 38KHz IR Receiver and Transmitter Head Sensor Module for Electronic Robots and Remote Control

$2.31