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The IR Sensor Module is a reliable and affordable solution for obstacle detection, line following, and proximity sensing. It works by emitting infrared light and detecting its reflection from nearby objects. This sensor outputs a digital signal that can be easily read by Arduino, ESP32, Raspberry Pi, or any other microcontroller.

Widely used in robotics, automation, and smart systems, it’s perfect for beginner and advanced projects involving collision detection, edge detection, or presence sensing.

Key Features:

Operating Voltage: 3.3V – 5V

Output: Digital (LOW when obstacle detected)

Adjustable sensitivity via onboard potentiometer

Detection range: 2cm – 30cm (approx.)

Infrared transmitter and receiver pair

Power and signal LEDs for status indication

Easy to connect with Arduino, ESP32, Raspberry Pi

Applications: Obstacle avoidance, line following, automation, smart toys