I purchased a DeWalt drill with 2 dead batteries on eBay for $10. Then I transformed it into a super drill. Amazing before & after!
January | 2012 | Elgin Amateur Radio Society
Imagen del indicador de nivel de agua con alarma
Easy HT Improvements
Приспособление для заточки к обычному заточному станку
Xfire BikeLane Laser Bicycle Rear Safety Lamp LED Light 자전거 안전등의 최고봉
Battery-based USB chargers are pretty cheap, but it's always cheaper and more fun to make your own. The basic concept is a battery that powers a USB port so that you can juice up your gadgets.
No security system is complete without lasers. So in this project I am going to show you how to build a laser tripwire alarm from a laser point, a...