I found this great instructable about hacking dynamo keychain flashlight into a nice 5v power supply. They use a MAX756 step-up DC-DC converter and a few other parts to get it all working. This looks like a really interesting idea for remote applications where power isn’t readily available or a solar panel would be too […]
Instrucrables user vbnicolau made this how-to for making a dynamo-powered bike safety light from an old relay coil and a few hard drive magnets.
Bicycle Maintenance: How To Maintain Your Mountain Bike For Peak Performance Here’s is a very thorough way of tuning up your bike after a hard ride. The rest of the site has some other good information, but you have to dig through a lot of ‘lifestyle’ type entries before you find the making goodies. The […]
Liane sent me this demo of an awesome little electric cat she built from wire, a pager motor, and a coin cell battery – so simple and cool! The battery pressure switch is a very nice touch (npi!). This could be a big hit on Halloween with a little fake fur coat ;) Make a […]
Syuzi at the Fashioning Technology blog just did an interview with my one of my favorite soft circuit creators, Hannah Perner-Wilson. Very inspiring! More: Fabric Bend Sensor Kit Electronics in limpet shells Maker Channel 104 – I/O Brush, Barcalounger, Massage Jacket, Giant Match Soft tilt-sensing bracelet HOW TO – fabric buttons Circular fabric potentiometer Soft […]
MAKE advisory board member Steve Lodefink made this totally snazzy cigar box guitar and posted pics to Flickr. To Dinosaurs and Robots, he sent the above pic of a cigar box amplifier experiment he tried. He writes: I thought that it would be cool to build in amp inside the guitar, you know, so that […]
From the MAKE Flickr pool MightyOhm shares this uber-simple recipe for building an “IR blaster” which allows a TiVo recorder to control a cable box – The IR blaster that came with our TiVo was lost long ago, in a time when no unnecessary electrical-optical-electrical sillyness was required for it to function. Rather than spend […]
