You’re likely already familiar with the Larson Scanner kit, created by Evil Mad Scientist Labs and carried in the Maker Shed. Named after Glen A. Larson, the man behind the original Battlestar Galactica and Knight Rider TV shows, it’s a microcontrolled 9-LED display that emulates the back and forth panning light patterns used on the robot humanoids and car in those shows (and there are other patterns available). And now, there’s also a way to combine multiple Larson Scanner kits to create larger displays. In this EMSL article, “squall_line” explains how.
Ganging up your Larson Scanners