Aim
The goal of this activity is whenever the PIR sensor detects the motion, the speaker starts producing sound which acts as a security device.
Materials Required
- Arduino UNO R3 – 1
- USB Cable – 1
- Speaker-1
- Breadboard -1
- PIR Sensor-1
- Several Jumper Wires
Wiring Diagram
Desired Outcome
When a person moves in front of the PIR sensor, the buzzer produces some sharp shrill sound.
