What happens when you combine an Arduino-based microcontroller with a palm-sized aluminum box and clicky buttons? A fidget ...

A simple, speedy single-slope ADC with a biphasic conversion cycle and a decent accuracy. Read on to learn more!

Every holiday season, Federico and I spend our downtime on nerd projects. This year, both of us spent a lot of that time ...

Hot glue guns are pretty simple beasts: there’s an on/off switch, a heating element, and a source of current, be it battery or wired. You turn it on, and the heater starts warming up; ...