DIY Projects

Battery-free 5-volt project power

Battery-free 5-volt project power

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 […]

How-To video: bike maintenance

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 […]