Tripwire laser alarm that its made from household items like night lamp with sensor and any kind of laser,you can set on door. How alarm work,laser beam reflect the sensor from night lamp and......
From American Hacker
How to make a simple laser security alarm system, step by step video. You can see the circuit of this project at 00:54 What components you will need: 1. two MOSFET transistors 2N7000 2. an......
From Electrical Projects [Creative Lab]
Hi Friends, in this video I will show you how to make a laser light security alarm system at home easily. You can use this project to protect your house, shop and other things. I hope you will......
From Siri Homemade
This tutorial is for all the people that have a basic knowledge in electronics and are wondering how could a laser system works. -In this video, I'm showing you how to build a very basic security......
From D.I.Y. or DIE
Subscribe us - https://goo.gl/JKl5gI Hi Friends, in this video I will show you how to make a laser light security alarm system at home. You can use this project to protect your house, shop,......
From Technical Nisar
Transistor as switch: https://youtu.be/HQeuRk2KhTg visit me page: https://mbasic.facebook.com/aashuwsa/...
From WAVE SCIENCE ACADEMY
MIT Joystick AIA : https://drive.google.com/open?id=0B1_HxW3KjmSFLVllW This is a circuit that detects motion and sounds an alarm. This is a simple breadboard project that uses 741 IC, LDR,......
From Jay Amiel Ajoc
Easy Laser light security system circuit at home. This video just to show how to make laser light security at home by using two transistor, three resistance, one photo resistance (LDR) and......
From Innovation KH
Laser alarm circuit. 5V relay, 5V buzzer, power supply, laser pointer New circuit video (schematic included) : http://youtu.be/kiuVNtm59jE....
From Thomas Kim
Let's make simple laser alarm security circuit. This circuit is very easy. Materials : Breadboard, Laser pointer (From laser ballpoint pen), CDS, 2n7000(FET), BT169(SCR) 6.8kΩ Resistor,......
From Thomas Kim
Diy about how to make a laser security system Materials used Ldr 6 to 10 rs. Wires Breadboard 1000uf capacitor 5k ohm pot Siren 12 v 9v battery 2n3904 transistor....
From The Uncanny Nightcrawler
Just finished building my 40W(!!!) laser shotgun!!! The output of this laser is complete insanity, and is made up of 8 parallel 5W laser beams totaling to 40W. The parallel beams are manipulated......
From styropyro