DIY Projects

Slide rule clock prototype

Mitch writes in about Greg Blonder, who made this prototype slide rule clock with LEGO Mindstorms. The positioning of the two rules makes up the hours and minutes. I like the idea of sketching in a platform like Mindstorms; it sure beats building an entire custom circuit just for a proof-of-concept prototype.

Breathalyzer microphone

Breathalyzer microphone

My friend Randy at the fffffatlab made this breathalyzer microphone: The breathalyzer microphone is a system for the inconscpicuous collection of blood-alcohol content level data sets. In other words, you can measure a person’s sobriety with a device, that for all intents and purposes, looks no different than a standard microphone. He has also created […]