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Make Tripwire Security Alarm Using Arduino

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.

- Arduino Nano
- Buzzer
- Battery Holder
- Laser
- LDR Sensor
- wire”

Link to article