Laser alarm circuit, LDR based security system (Assembled), 100% Tested
1. Laser alarm circuit, LDR based security system assembled Kits 100% Tested .
2. Full documentation, includes Circuit diagrams, PCB Layout, Testing document, etc.
3. Videos are available on YouTube for easy understanding
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A laser-based security system is a type of security alarm that uses a light sensor and laser light. In this tutorial, we are going to demonstrate a circuit of a laser security alarm system that will detect any irregular activity and will produce sound using a buzzer. One of the main components of this circuit is LDR. It will detect dark and light laser beams and will change its resistance to send a signal to the buzzer. Laser based Security System is a type of security and alarm system that uses laser light and a light sensor. A security system protects our homes, offices, banks, lockers etc. from intrusion and unauthorised access. There are different types of security systems available and laser based security system is an important and efficient type. A Laser security system can acts as a standalone system, which makes some sound or noise when it detects any irregular activity, or can be part of a much bigger security and home automation system, which can send messages, call the owner etc. In this project, we have designed a simple DIY lased based security system, which acts as a tripwire like security system and triggers an alarm when the laser in interrupted.
WARNING: We have used a laser pointer in this project. Direct exposure of laser light on eyes can be very dangerous. Even though it is a low power laser, avoid direct eye exposure of laser.