Laser Door Sensor Alarm

The laser door alarm circuit has two sections.

Laser door sensor alarm.

Today in this video we will make a simple door security alarm using a razor blade as a sensor a buzzer and a 3v coin cell bat. The laser beam alerts that are best for door entry way alert chimes are those that have a maximum light beam range of 50 feet and for ease of installation only require power on one end of the beam. Cheap diy laser alarm multi functional. I used the ky 008 laser.

With this door and window sensor the alarm will always sound when someone opens a door or window. The alarm includes a motion sensor that detects movement within 16 feet in any room. These laser beam door chimes are reflective laser light beams. 1 16 of over 1 000 results for laser door alarm amazon s choice for laser door alarm fosmon wavelink 51005hom wireless home security driveway alarm motion sensor detect alert store door entry chime doorbell 500 4 1.

These laser beam break sensors are for long distance perimeter or yard applications. Perimeter sensors use infrared ir passive infrared pir or light detecting sensors to monitor your surrounding property. The nest detect is designed to easily stick to walls and doors to always know when they re opened. Project tutorial by danny van den brande 6 370 views 2 comments 10 by.

It should be powered with 3 volt dc supply and fixed on one side of the door frame. Hello peepz i created a little laser alarm from a laser emitter and a laser receiver. Carbon monoxide co detectors perimeter entry alert sensors create an invisible undetectable protective barrier around your home when you install any type of perimeter and entry alert sensors. The receiver has a phototransistor at the front end.