Simple Laser Security Alarm Circuit Diagram. Here ldr placed to sense the laser light from the laser diode. There are a variety of security alarms available in market which uses various types of technology for intruder detection like infrared sensors motion sensors ultrasonic sensors laser sensors etc.
The proposed foolproof laser security circuit can be witnessed in the following diagram. Security is main concern for various buildings houses and offices. Laser security system circuit diagram and explanation.
In the earlier article we saw a rather simple laser controlled burglar alarm circuit where the alarm is sounded whenever the laser beam incident on the ldr is interrupted.
The circuit can be used as a laser door alarm laser motion detector laser proximity sensor or detector trip wire alarm and for other simple home security purposes. The proposed foolproof laser security circuit can be witnessed in the following diagram. Your laser security alarm system is now ready. Simple laser security alarm circuit diagram.
