Infrared IR Obstacle Avoidance Sensor Module – 3 Pin

🚗 Infrared IR Obstacle Avoidance Sensor Module – 3 Pin

The IR Obstacle Avoidance Sensor is a compact and easy-to-use sensor that detects the presence of objects or walls in front of it using infrared light reflection. Widely used in robotics, line-following cars, and automatic door systems, this module helps your project detect and avoid obstacles in real time.

⚙️ Technical Specifications

📌 Pinout

🛠️ Applications

• Obstacle detection for robots

• Line-following cars

• Proximity sensors

• DIY automation projects

• Security and alarm systems

🎮 Arduino Sample Code

int sensorPin = 2;  // IR sensor connected to digital pin 2
int ledPin = 13;    // On-board LED for indication

void setup() {
  pinMode(sensorPin, INPUT);
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  int sensorValue = digitalRead(sensorPin);
  if (sensorValue == LOW) { // Obstacle detected
    digitalWrite(ledPin, HIGH);
    Serial.println("Obstacle!");
  } else {
    digitalWrite(ledPin, LOW);
    Serial.println("Clear");
  }
  delay(200);
}

🎥 YouTube Tutorial

📺 IR Obstacle Sensor with Arduino