If you’ve ever wanted to make your own VU meter but were scared off by the signal process you need to study this tutorial. The one drawback to the hardware choices made here is that there are ...

This fully-addressable RGB LED matrix was built by [John Graham-Cummings ... remainders were soldered together again. [John] uses an Arduino Pro to feed in the data, which you can see for ...

The Nova is a tiny RP2040 board with a 7x10 LED matrix for creative projects. It works with MicroPython and Arduino IDE ... is that they find ways to make all kinds of projects, big and small.