4 digit charlieplexed segment display

24 August, 2016

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bobricius @ hackaday.io has designed an ultra thin custom display, requiring only 6 gpio pins to drive 30 leds.

FEATURES:
– 1.05×0.48 inches (26.67×12.22 mm)
– 30 led
– any color
– ultra thin …. etc. on 0.8mm board
– only 6 gpio
– ideal for wrist watch

4 digit charlieplexed segment display – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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