[Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Arduino ...

The Raspberry Pi is all the rage for hobbyists in search of cheap, credit card-sized computers that can run a full PC operating system. Arduino boards have been around nearly a decade, meanwhile, ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...