Chelmin Jin
Chelmin님의 아이디어 더 보기
I purchased a DeWalt drill with 2 dead batteries on eBay for $10. Then I transformed it into a super drill. Amazing before & after!

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

January | 2012 | Elgin Amateur Radio Society

Imagen del indicador de nivel de agua con alarma

Imagen del indicador de nivel de agua con alarma

Easy HT Improvements

Easy HT Improvements

Приспособление для заточки к обычному заточному станку

Приспособление для заточки к обычному заточному станку

Soporte

Soporte

Xfire BikeLane Laser Bicycle Rear Safety Lamp LED Light  자전거 안전등의 최고봉

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.

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...

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...