We used a modified version of CircuitPython on a Feather RP2040 to visualize how a "HUB75" RGB matrix is scanned. Normally, this happens 250 times per second, to create an image that appears solid and steady to typical eyesight.
Visit the Adafruit shop online - http://www.adafruit.com
LIVE CHAT IS HERE! http://adafru.it/discord
Adafruit on Instagram: https://www.instagram.com/adafruit
Subscribe to Adafruit on YouTube: http://adafru.it/subscribe