StackClock

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I'd like a series of clocks on my desk at work to show various timezones.

Status

  • 2016-09-15: Started putting this idea together.
  • 2015: Tried to find some commercial clocks I could stack up to make this, failed to find anything nice looking that supported 24h time. The Hayes Stack Chronograph would be cool but they're very rare now.

Specs

  • Arduino-compatible master board on the bottom has the RTC and keeps time.
  • Display boards stack on top of that board
    • As many as you want to stack (up to maybe 8 or 16)
    • Each dispaly board has:
      • 3 alphanumeric LED displays to show which timezone
      • 4 numeric LED displays to show the time
  • Stack is configurable via USB interface
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