IR Infrared Sensor

The IR Infrared Sensor project demonstrates how to use an infrared sensor with an Arduino Mega to detect obstacles. The infrared sensor provides a digital output, which changes state when it detects an obstacle. This project reads the sensor state and triggers a buzzer to sound an alarm when an obstacle is detected. Additionally, the sensor state is printed to the Serial Monitor for debugging purposes.

Components Needed

• Arduino Mega
• IR Infrared Sensor Module
• Buzzer
• Jumper Wires
• Breadboard
• Power Supply

Block Diagram

Circuit Setup

Connect the IR Infrared Sensor to Arduino Mega:

Connect the Buzzer to Arduino Mega:

Instructions

Circuit Setup:

Connect the IR sensor module and buzzer to the Arduino Mega as described in the circuit setup section.

Code Upload:

Open Arduino IDE and create a new sketch.

Copy and paste the provided Arduino code into the sketch.

Testing:

Upload the code to the Arduino Mega.

Open the serial monitor in Arduino IDE (set to 9600 baud).

Observe the Serial Monitor for messages indicating the state of the IR sensor module.

When an obstacle is detected, the buzzer will sound an alarm.

Applications

Notes

Ensure the IR sensor is positioned correctly to detect obstacles effectively.

Adjust the delay time in the

Test the sensor with various obstacles to ensure it is working correctly and calibrate if necessary.