Fidget toys are everywhere these days. A particularly popular type simply puts some keyboard switches on a plate to provide a ...

I just love it when y’all send in your projects, so thanks, [Kai]! But were do I even begin with this one? Okay, so, first of all, you need to know that [Kai Ruhl] built an amazing split ...

Pulse Express is an efficient and versatile breakout board with integrated high-sensitivity optical sensors (MAX30102) and also a chip that does the calculations (biometric sensor hub MAX32664D).

A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...