More ideas from Benoît
In this project, you will make a flashlight that works without batteries. Even more amazing, you can recharge it in three minutes and it will run for more than 24 hours. Because the ultra capacitors can be recharged thousands of times, you may save the environment from ever receiving an old flashlight in the trash system.This project is from my book HaywiredClick here to order a copy from the Chicago Review Press.Parts List(2) 220 farad capacitors, www.digikey.com, #589-1013-ndInsulated…

Rigsby shares his design for an LED flashlight using two 220 farad(!) capacitors in place of all-too-familiar disposable batteries -In this project, yo

Mat Smith's DIY Arduino Home Automation Control Panel

Back in January we checked in with Mat Smith on the progress of his home brew control panel. Now after a year in development Mat has his first fully assembled unit. The feature packed home automati…