CircuitScout - Your circuit diagram search engine
Cool, check out CircuitScout next time you are trying to find that circuit for your next project. I looked up “Alarm System” and got some pretty decent results. (Much better than google for circuits) Thanks Jerry for the tip! 
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Loading ...DIY HACK - The Redneck 30 minute hovercraft using cardboard box and save precious resources too!
Yep, you CAN make a hovercraft during your lunch break now. Just follow the directions!
I built a working hovercraft using cardboard and a shop vacuum in 30 minutes.
You can build a hovercraft quickly and easily using cardboard, duct tape, and a vacuum. There are excellent instructions available on the Internet. I adapted these standard instructions by substituting cardboard for plywood. In fact you build a hovercraft out of most anything that’s more or less airtight.
You can ride your hovercraft outside by using a gas powered leaf blower instead of a vacuum. Don’t use a leaf blower indoors because they are very loud and create smoke. One problem you will encounter outside is that there are few flat surfaces. Tennis courts work well. If you try to ride on the road you will quickly end up in the ditch since roads have a convex surface that keeps rainwater from building up.
Well… you CAN make an alarm system in 3 minutes too… (That means you can make 10 alarm systems for the time it takes to make 1 hovercraft…)
(No Ratings Yet) Loading ...“Smoke Bomb” Alarm System
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Remember the funny alarm system that rocked the steering wheel? Well, check this one out. The alarm system consists of a smoke bomb (kinda)!
Well… it’s a device you can set up in your car.. and everytime a thief wants to do his job, that gadget eliminates a gas that has an instant blinding effect, keeping your car in the parking lot . Don`t waste your money on expensive car gadgets that don`t work, give it to me for distributing you this new information about one of newest car gadgets
(No Ratings Yet) Loading ...DIY - Make an alarm system in 3 minutes! (Part II - Add a motion sensor)
Since I already had an alarm system, I decided I could simply add a motion-sensor to my existing alarm system.
Full DIY via Link [html in english]
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