Continue reading → Posted in Arduino Hacks, Tool Hacks Tagged arudino, diy, lab, lab equipment, laboratory, NEMA17, rocker, science, skate bearing, stepper motor ...

I like this one - a super impressive Arduino-based barometer for measuring air pressure. There's something satisfying about the link with nature, a tangible connection with outside weather.

Owing to bad stepper mode specs, the original version of the clock was gaining time overnight. Although the stepper claimed to have a 1:64 reduction gear, the actual ratio wasn’t that precise ...