Matrix Hexpansion

This is an LED matrix and CH32V006 co-processor hexpansion for the EMFCamp Tildagon badge. The generic base board breaks out the hexpansion connector pins and CH32V006 GPIOs. Up to 156 LEDs on a secondary board can be driven with the charlieplexing method.

Completed boards

Base: breakout board hexpansion

Loop: 156-LED complete matrix hexpansion

Links

• v2 base board pinout and reference documentation
• lite loop complete hexpansion board overview, and kit assembly instructions

Progress

To declutter this page, I've moved information about previous versions, progress updates, and comparisons to a separate page.