Hackaday Links: Sunday, April 28th, 2013

hackaday-links-chain

Another week has gone by and we hope you’ve been happily hacking away in your underground lairs. If not, here’s some inspiration that didn’t quite make it to the front page this week:

[Razr] used a CFL ballast to replace the mechanical one in his fluorescent tube light fixture.

To make the drawers of his workbench more awesome [Rhys] used Read the rest

Estimate velocity using quadrature encoder data

quadrature-encoder-velocityMany motors offer a quadrature encoder that give feedback on whether, and in which direction, the motor shaft is moving. But if you’re clever about analyzing the data you can use a quadrature encoder to estimate motor velocity. [Jason Sachs] makes the case that it’s fairly easy to get this wrong. Lucky for us he has carefully laid out … Read the rest

Game of chance built as a Red Bull Creation entry

[Tom Bourke] wrote in to show off the game of chance which was built for this year’s Red Bull Creation contest. The project was completed with the help of the Wausau Collaboration Center, a Hackerspace in Wausau, Wisconsin.

He does a great job of showing off the game in the clip after the break. Near the bottom of the device … Read the rest