It happened when I was tidying up my desk drawer because I couldn't find something I was looking for. I found a small glass tube that I had bought a long time ago and forgotten about. I only had a ...

What is this repository for? Really tiny library to control multiplexed basic 7 segments displays. It can work with only a display but it's intended to use more than one and drive them multiplexed. If ...

Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies ...

A clock is by its very nature a device for measuring time, and thus it moves forward at a constant rate. But how about in a ...

ESP32s are surprisingly good AI lie detectors.

Stepper motors use a cogged wheel and electromagnets to rotate the wheel one ‘step’ at a time. Each HIGH pulse sent to the A4988 stepper driver energises the coil, attracting the teeth closest to the ...

// initialize the library with the numbers of the interface pins ...