Alpha Nummeric Clock
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The Alpha nummeric Clock.

clock
  • This page is about Quad Alphanumeric Display 0.54" Digits w/ I2C Backpack.
  • This requires some soldering, but Adafruit has an excelent webpage for this display.
  • I used a LM36 temperature sensor to show the temperature in °C and in °F.
  • I used Red / White / Blue and Green displays as I show below.
  • Some pictures are very bright but you are able to figure out what it is showing.
  • This is just a test display set up.
  • This clock is running over a year now, is accurate and without a glitch.

  • Parts list:
  • 2 Arduino Uno #50.
  • 2 DS1307 #264 clock from Adafruit.
  • Different colors Quad displays