It's not the first DIY GPS data logger by a long shot, but Steve Cholewiak's new PIC16F88 Delorme Tripmate -- which Steve originally envisioned as a way to log his runs by carrying the unit in a ...

Over the last 20 years, [Martin] has been recording snowboarding runs with a standard helmet cam. It was good but he felt like he could improve upon the design by building his own version and logging ...