I am Aayush Bhatt and i am sharing my project of Laser light security system using LDR and Arduino UNO:- LDR (Light Dependent Resistor) is the sensor that changes its resistance as the intensity on ...

This Laser Security System uses an Arduino Uno, Laser Diode (KY-008), and LDR (Light Dependent Resistor) to detect intrusions. When the laser beam is blocked, the Buzzer and LED are triggered as an ...