Arduino Infra-red obstacle sensor

This infrared obstacle sensor detects objects in front of your robot or project, enabling obstacle avoidance behaviour. The adjustable detection range (2-40cm) lets you tune sensitivity for your specific application, with TTL output for easy microcontroller integration.

Key Features

• Adjustable Range – 2-40cm detection distance
• TTL Output – LOW when obstacle detected, HIGH when clear
• 35° Detection Angle – Focused sensing cone
• Enable Pin – Hardware control of sensor
• 3.3V/5V Compatible – Works with Arduino, Raspberry Pi, and more

Pinout

• + : Power (3.3-5V)
• - : Ground
• OUT: Signal output (TTL)
• EN: Enable pin

Specifications

• Operating Voltage: 3.3-5V DC
• Operating Current: ≥20mA
• Detection Distance: 2-40cm (adjustable)
• Effective Angle: 35°
• Temperature Range: -10°C to +50°C
• Dimensions: 28 × 23mm

Ideal For

• Robot obstacle avoidance
• Proximity detection
• Object counting systems
• Edge detection for line-following robots

Package Contents

• 1× Infrared Obstacle Sensor