Setting colours on a Pimoroni Plasma 2040
Button activity:
Button "user_sw"
Rotate through colours - Red, Green, Blue, White, Random colour, each LED random, Rainbow.
Working for now, may have to revist outputs to get those below to work.
Button "button_a"
Alters brightness of lights - start at 50%, drop to 25%, then up to 100% and down to 75% and repeat.
Button "button_b"
For first 4 colours creates 2 slopes down by 10%, and gets them to cycle, for random and rainbow, gets colours to spin.