4 digit charlieplexed segment display
bobricius @ hackaday.io has designed an ultra thin custom display, requiring only 6 gpio pins to drive 30 leds. FEATURES: - 1.05x0.48 inches (26.67x12.22 mm) - 30 led - any color - ultra thin ....
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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