In the previous article, we used the LED Matrix on the Arduino Uno Q to produce 'falling' dots that resemble rain. This is basic code in Python to create the 'rain' on the LED Matrix. Now, we are going to get a little more advanced. Back in the DOS days, there were programs that would act more like screensavers, and some were very interesting to watch. Specifically, the one named 'Plasma' or sometimes 'Ooze'. The basis is the use of 256 colors, which cycle through the colors and start over... https://www.linux.org/threads/arduino-uno-q-led-matrix-plasma.72403/