HOW TO MAKE – A LEGO Laser Alarm

HOW TO MAKE – A LEGO Laser Alarm

Hi! Purple Oranji here. Today I’m going to play with lasers and make a security alarm for my room In another video, I made an electronic door lock out of Mindstorms LEGO So if you haven’t seen it you can check it out here, or here I think everyone occasionally wants to keep a nosy

How to make a Laser light Security Alarm system at Home / Digital toggle switch using 555 timer IC
The Ultimate Slim Wallet

The Ultimate Slim Wallet

What’s up guys! Lew here, back with another video and today I am here to solve the biggest problem… …biggest thing threatening mankind, that is; terrible wallets! You have one! Or you’ve had one! …or you’re yet to buy one. Everybody’s seen one of these guys… You know big, chunky Look! Inevitably this is what

How To Make A Laser Light Security Alarm System || DIY Ideas || Ideas Factory
Laser Trip Wire Security System | Simple DIY Project

Laser Trip Wire Security System | Simple DIY Project

Hi, guys welcome to electrical projects channel, and in today’s video, I’ll show you how to build very simple security alarm system that uses lasers. You’ve probably have seen such security devices many times in the different movies, And that is what I am going to build today. Let’s have a look at what we

How to Build a Laser Security System

How to Build a Laser Security System

How to Build a Laser Security System. Got a mystery to solve? Somebody’s been making off with your stuff, and you don’t have a clue who it is, do you? Here’s your chance to catch them in the act. You will need A laser pointer Some Duct tape A few small mirrors An L.M.741 microchip