Bi Color Clock
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The Bi Color Clock.

Mini clock
  • This page is about the matrix bi-color displays from Sure electronics.
  • I used 2 displays.
  • This clock is running for over 4 years now, is accurate and without a glitch.

  • Parts list:
  • 1 Arduino Uno #50 or Nootropics board #1072.
  • 1 DS1307 #264 clock from Adafruit.
  • DE-DP14211 / 3216 Bicolor LED 5mm Dot Matrix Display.