And now how it work ...
https://hackaday.io/project/10280-4-digit-charlieplexed-segment-displayA project log for 4 digit charlieplexed segment display
ultra thin custom display ... only 6 gpio for 30 leds
And now how it work ...
https://hackaday.io/project/10280-4-digit-charlieplexed-segment-display
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