Speed up CircuitPython LED animations 10x!
In many LED animations, you need to apply an operation to all LEDs as fast as possible. Often this is “fadeToBlackBy”, i.e. “dim all LEDs by some amount”. There are some common effects that you can easily get back using that and one other action. For example: the Cylon effect is “Turn an LED on, [...]
[original story: Todbot]