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 ...

This is the easiest and fastest way to get the LED Clock up and running. I mostly use "ESP-WROOM-32 Devkit" as microcontroller for my projects (I may will move to ESP32-C5 in the future as this is the ...

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 ...

I built a whole-home ad blocker with a $7 ESP32-S3 board - and it took just minutes ...

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 ...

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