“Hey friends welcome back today in this articlei will show you how to Make Tripwire security Alarm using Arduino.
in this tutorial You will learn how to use a photo resistor. A tripwire is a device triggered by physical movements, you can use it to detect people, animals, cars or etc when they pass through an laser area.
Supplies:
- Arduino Nano
- Buzzer
- Battery Holder
- Laser
- LDR Sensor
- wire”