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.
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/.
Copyright (C) 2009 - 2011 Sean Voisen
Schematics and board layout are released under the Creative Commons Attribution-ShareAlike 3.0 Unported license.