An IR Infrared Obstacle Avoidance Proximity Sensor Module (commonly known by model numbers like FC-51 or KY-032) is an affordable, easy-to-use electronic component that detects objects within a short range using infrared light reflection. It is widely used in robotics for autonomous navigation, smart car path tracking, and conveyor belt object counting.Technical Specifications

• Operating Voltage: 3.3V to 5V DC (Highly compatible with Arduino, ESP32, and Raspberry Pi)
• Detection Range: 2 cm to 30 cm (Adjustable via an onboard potentiometer)
• Detection Angle: 35
• Core Comparator: LM393 Integrated Circuit for clean, stable digital outputs
• Output Signal: Digital signal (LOW logic level when an obstacle is detected, HIGH when clear)