Laser Door Sensor Alarm

It should be powered with 3 volt dc supply and fixed on one side of the door frame.

Laser door sensor alarm.

Hello friends kedar is here. Door chime wireless business door motion sensor detector smart visitor doorbell home security driveway alarm with 1 plug in receiver and 1 pir detector weatherproof white 3 9 out of 5 stars 259 22 99. 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. Hello peepz i created a little laser alarm from a laser emitter and a laser receiver.

The nest detect is designed to easily stick to walls and doors to always know when they re opened. The receiver has a phototransistor at the front end. The laser door alarm circuit has two sections. The laser transmitter is a laser pointer readily available.

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. Cheap diy laser alarm multi functional. I used the ky 008 laser.

Project tutorial by danny van den brande 6 370 views 2 comments 10 by. With this door and window sensor the alarm will always sound when someone opens a door or window. 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.

These laser beam break sensors are for long distance perimeter or yard applications.