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What is Laser Security Alarm Circuit Diagram about?

This document summarizes a mini project on a laser security alarm system developed by two students. The system uses a laser light, light dependent resistor (LDR), LED, transistor, buzzer, battery, and other components. It functions by sounding an alarm through the buzzer if the laser beam falling on the LDR is interrupted, indicating an intrusion. The document describes the components, their functions, the circuit diagram, and applications of the system such as in banks, museums, homes and for monitoring pe

Author

Deva

Language

EN