1838B Infrared Receiver

Voice Sensor Analog and Digital Output

GY-31 TCS230 TCS3200 Detector Module Color Recognition Sensor for Arduino

LDR Photosensitive Resistance Sensor Module

TCRT5000 Infrared Reflective Sensor Tracking Module

HC-SR501 human infrared sensor

Correlation photoelectric Infrared correlation count sensor module

HUMAN BODY INFRARED INDUCTION MODULE (SC0072)

Photoelectric IR Correlation Counting Sensor (10mm)

HC-SR04 Ultrasonic Distance Measuring Control Board