Month: July 2008

Excercise bike Arduino

Excercise bike Arduino

Johan writes in – Imagine this: A 30 something bearded man in shorts with a multi-meter connected to cables out of an exercise bike trying to remain balanced an read the multi-meter at the same time as he is turning the pedals with one foot and listening to a beep from the multi-meter. My wife […]

Make Projects – Volume 07

Make Projects – Volume 07

In each volume of MAKE we have “major projects” these project pages are meaty step-by-step articles with start-to-finish photos, precise instructions and how-to learning that can range from making a VCR cat feeder to kite photography. In MAKE volume 07 the projects are: Rocket-Launched Camcorder by John Maushammer. Hack a $30, single-use camcorder to make […]

Rotary Encoders &  How to decode them

Rotary Encoders & How to decode them

This is a nice article on how to identify and extract rotary encoders. It then explores how to decode your rotary encoder and has a little lesson on Quadrature Encoding. It does not go into extreme detail, but there is a lot of useful information. Some recent stereos do, especially ugly boom boxes and (non-ugly) […]

DIY: Bee Keeping

DIY: Bee Keeping

The Bee Source has a lot of useful information on bee keeping. What got my attention were all the free plans for building things like a honey extractor, solar wax melter and the Bee Vac. Most, if not all, of the plans have a web page and a PDF download. I never knew you could […]