Inkjet cartridge flashlight
Here’s how to make a simple LED flashlight made from a few basic components housed in an inkjet printer cartridge – Link.
Technology
Hot water from waste lamp heat
Hot water maker from lamp heat invention – Modern Mechanix 1932 – Link.
DIY Earthquake detector
Jochen’s DIY earthquake detector made from old hard drives – “…Most earthquake detectors use a heavy weight attached to a coil moving inside a magnetic field. Earth movement will cause the ground and attached magnet to move. The suspended weight and coil tend to stay stationary and hence a signal is generated. Elaborate electronic filters […]
HOW TO – Wireless camera remote
Warny shows how to make a wireless remote for a Minolta 5D – “I wanted to buy a remote for my new minolta 5d… After a short search on ebay i found that wire remote were almost 25€ (~30$) and that there were no wireless. First, i tried to contact the remote connector’s outlets. One […]
$75 Linux box
Not a bad deal, 500Hhz Celeron, 128MB RAM, 4GB HD Ubuntu pre-installed, just add keyboard/mouse/monitor – Craigslist, eBay, free — still might be better… [via] – Link.
HOW TO – Build an ammeter
Scientific Explorations with Paul Doherty shows how to build an ammeter – “An ammeter is a device that detects an electric current. With some readily available materials, you can build your own ammeter and use it to measure current produced by batteries including homemade batteries and generators.” – Link.
Robot Centipede
MAKE Flickr photo pool member Phileecs made a mechamo gakken centipede kit with new brains and a better battery… controlled with a glove! – photos & article.