IR Sensor Module | Infrared Obstacle & Object Detection Sensor for Arduino, Robots, and IoT Projects

Technical Specifications

• Sensor Type: Infrared (IR) Obstacle Detection Sensor
• Operating Voltage: 3.3V – 5V DC
• Output Type: Digital (High / Low)
• Detection Distance: 2cm – 30cm (adjustable via potentiometer)
• Detection Angle: ~35°
• Response Time: < 2ms
• Interface: 3-Pin (VCC, GND, OUT)
• On-Board Components: IR Transmitter, IR Receiver, LM393 Comparator
• Indicator LEDs: Power LED, Output Status LED
• Compatibility: Arduino, Raspberry Pi, ESP8266, ESP32, Robotics Controllers
• Mounting: On-board mounting holes

Product Description

The IR Sensor Module is a reliable infrared obstacle and object detection sensor designed for Arduino, robotics, and IoT projects. It works by emitting infrared light and detecting reflections from nearby objects, making it ideal for obstacle avoidance, line detection, and proximity sensing applications.

Featuring an LM393 comparator and an adjustable sensitivity potentiometer, this sensor allows precise distance tuning for different environments. Its fast response time and stable digital output make it easy to interface with microcontrollers such as Arduino, ESP32, ESP8266, and Raspberry Pi. Compact, power-efficient, and beginner-friendly, this IR sensor module is perfect for DIY electronics, robotics kits, and smart automation projects.