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EMS-00013-A

(Last updated) May 28, 2026

Infrared Obstacle Avoidance IR Sensor Module

IR Sensor Module

The Infrared Obstacle Avoidance Sensor Module detects nearby objects using reflected infrared light. It uses an IR transmitter–receiver pair with an LM393 comparator to provide a digital active LOW output when an obstacle is detected. Ideal for robotics, smart cars, automation systems, and Arduino-based proximity detection projects.
Sensor Type Infrared Reflective Obstacle Sensor
Operating Voltage 3.6V - 5V DC
Output Type Digital (Active Low)
Main IC LM393 Comparator
Average Current Consumption 0.06 mA
Detection Angle 35°
Detection Distance 2 cm – 30 cm (adjustable)
Interface Pins VCC, GND, OUT
Indicator LED Yes (Obstacle Detection Indicator)
Sensitivity Adjustment Onboard Potentiometer
Dimensions (mm) 48 × 14 × 8
Weight (g) 5
Shipping Weight 0.01 kg
Shipping Dimensions (cm) 5 × 4 × 1