From the MAKE Flickr photo pool Like some sort of cyborg fruit-turned-electronic hedgehog – Flickr member s8’s 2-week old lemon-powered joule thief is showing its age. Hmm. I wonder if it smells as good as it looks. – middle-aged lemon Related: HOW TO – Tiny AVR Microcontroller powered by fruit Make a Joule Thief – […]
This is an interesting hack that uses a disposable camera to make a 4-Watt Fluorescent light power supply. The light is powered using a 1.5 volt battery and the flash circuit from the camera. I wonder how long the light will last? Read all about making your own 4-Watt fluorescent light.
If you spend too much time cleaning, and not enough working in your shop, this may be for you. They sell commercial versions of these type of brushes, but I bet this retrofit is a lot cheaper. This is a nice little DIY project that could save you a lot of time. The drill brush
Michael McGrath got tired of problems with his power grid-based photovoltaic system and decided to supplement with a couple of the portable PV carts. Solar power cart – [via] Link
