[Fabien] decided he wanted to build his own LED display and ended up with something ... The original plan was to drive these with an Arduino, but with so many pixels he quickly ran out of RAM.

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 ...

Fastest finger first indicators (FFFIs) bring precision to quiz games, measuring contestants’ reaction times with accuracy.