Aim
The goal of this activity is to make a simple Blind man stick, which helps a blind man to detect the obstacle.
Materials Required
- Arduino UNO R3 – 1
- LED-1
- USB Cable -1
- Ultrasonic Distance Sensor-1
- Several Jumper Wires
- Active Buzzer-1
Wiring Diagram
Desired Outcome
When an object is detected by an ultrasonic sensor, the buzzer will produce sound and the LED will glow.
