Arduino Measures Remaining Battery Power With Zero Components, No I/O Pin

[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 …read more Continue reading Arduino Measures Remaining Battery Power With Zero Components, No I/O Pin

Guitar Distortion with Diodes in Code, Not Hardware

Guitarists will do just about anything to get just the right sound out of their setup, including purposely introducing all manner of distortion into the signal. It seems counter-intuitive, but …read more Continue reading Guitar Distortion with Diodes in Code, Not Hardware

Retrotechtacular: The Forgotten Vacuum Tube A/D Converters of 1965

In any era, the story of electronics has very much been about figuring out how to make something happen with what’s available at the time. And as is often the …read more Continue reading Retrotechtacular: The Forgotten Vacuum Tube A/D Converters of 1965