The obligatory Knight Rider "Larson scanner" lights. See it in Tinkercad: https://www.tinkercad.com/things/frViBbhQ9WM #arduino #beginner #codeexample... | By Impatient Inventor | Facebook
Manual Crankable Larson Scanner – RasterWeb!
A Charlieplexed Knight Rider Light (Larson Scanner) - YouTube