With an ability to turn friction into small amounts of electricity, triboelectric generators may one day be used in clothes that turn movement into power, in battery-free brain implants, and a host of ...

In general, you get what you pay for, and when [Craig] picked up a cheap function generator off eBay, he didn’t expect much from it. But as he shows us in his blog post and a series of videos below, ...

I’m inclined to put up [nuxie1]’s function generator how-to because he also submitted a very nice Design Challenge entry. The generator is based on the cheap XR2206 IC which will generate functions at ...