Bluenumi open source numitron clock code, schematics, PCB
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README.md

Bluenumi Clock

Bluenumi is a custom-designed 4-digit numitron clock featuring:

  • Retro glowing numitron display featuring Russian IV-9 numitron tubes
  • A DS1307 real time clock with backup battery for accurate timekeeping and alarm memory preservation during loss of power
  • Blue LED underlighting for each digit, with pre-programmed fade patterns
  • Laser cut acrylic case
  • Programmable alarm
  • 12- or 24-hour operating mode with AM/PM indicator light
  • Easy display blanking for nighttime use and tube life preservation
  • 100% open source hardware and software
  • Arduino programming compatibility using standard TTL serial

For more information, or to order a clock kit or fully assembled, visit: http://www.etsy.com/shop/VoisenDesign.

Parts list (BOM), assembly instructions, and user's guide are available on the wiki.

Images

Firmware License

Copyright (C) 2009 - 2011 Sean Voisen

Firmware code is released under the GNU GPL version 3:

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Schematics and Board Layout License

Copyright (C) 2009 - 2011 Sean Voisen

Schematics and board layout are released under the Creative Commons Attribution-ShareAlike 3.0 Unported license.