4 digit charlieplexed segment display

bobricius is developing this nifty four digit 7-segment display that requires only 6 GPIO pins for 30 LEDs:

4 digit charlieplexed segment display

Maybe you need ultra thin custom display, this is solution …. Why charlieplexing? because it is for my like piece of magic.

The board is a thin 0.8mm tall thanks to our 2 Layer Half-Height Double-Copper service.  bobricius has shared 7seg-micro.brd on OSH Park.  However, he is still working on Arduino code to control the board.

4 digit charlieplexed segment display

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