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Laser Security SystemThis is a home security system project that uses laser light and a light sensor LDR. A security system is used to protect our homes, offices, banks, lockers, etc from unauthorized persons. Different types of security systems are available and a laser-based security system is also an important and efficient type of Laser light security system. A Laser security system can detect anything which crosses the laser light and activate sound or noise, or it can call through a cell phone which is attached to this system. In this project, we have designed a very simple home security system project, which acts like a tripwire and triggers an alarm when the laser is interrupted. We have designed it with a few components so you can make it as modern as you want. Laser Security System Circuit Diagram
Components Required for Laser Security System
Circuit Design laser light security alarmThe design of the laser security system circuit is simple even if it can be made by an inexperienced person at home very easily. LDR and a 10 K Ω resistor are connected in a voltage divider fashion and its output is connected to the buzzer When volts have equally dived the buzzer will remain silent and as laser light fails to drop on LDR the resistance of LDR decreases which triggers the buzzer. Advantages Laser Security circuit
Disadvantages of home security systemThe laser security system alarm works only if the laser light is disturbed by crossing its light. If anyone crosses the protected area without obstructing the laser, it is considered a failure. Applications home security system project
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