Arduino – Laser Tripwire Alarm System

Hello everyone, In this instructable, we will be building a laser guided tripwire alarm system using a development board. Step 1: Parts Components used in this project: Development board - SainSmart Leonardo R3 Enclosure - Junction Box Trip wire - Red Dot Laser Diode Alarm - Buzzer Sensor - Photoresistor Power supply - 9v battery Wire - Male to Female Breadboard Jumper cable Resistor - 10k I used an improvi ...

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