High-level Arduino library for controlling animated LED bar meters using MAX7219/MAX7221 or HT16K33 drivers. Ideal for prop-making, visual meters, and signal-driven lighting effects.

HT16K33 Library for Arduino This is a quick and dirty library providing a relatively easy-to-use interface for driving the Holtek HT16K33 16×8 LED driver IC. I wrote it for a project I was working on, ...