SR ROBOTICS Laser Alarm Circuit, Ldr Based Security System (Multi Color) Electronic Components Electronic Hobby Kit | Zipri.in
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SR ROBOTICS Laser Alarm Circuit, Ldr Based Security System (Multi Color) Electronic Components Electronic Hobby Kit

SR ROBOTICS Laser Alarm Circuit, Ldr Based Security System (Multi Color) Electronic Components Electronic Hobby Kit

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CIRCUIT WITH LASER LIGHT WITH BATTERYThe Laser Alarm Circuit with Laser Light is a simple yet effective security system that works on the principle of light interruption. A laser beam is directed towards a Light Dependent Resistor (LDR). When the beam is continuous, the circuit remains inactive. If the beam is blocked by an intruder or object, the resistance of the LDR changes, triggering a buzzer or alarm. This project is cost-effective, easy to build, and demonstrates the application of basic electronic components in security systems. It is widely used as a school science project and can also be implemented as a basic home security system.