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This is my modular nixie display/clock.
It is designed around modules. Each module has:
With my boards, the cathode drivers are sandwitched behind the main boards,
The control is based around a Wemos D1 mini and a small 170V power supply. It can also dim the tubes via PWM controlled optogate switching off the high voltage from the tubes.
The recommended input voltage is between 7.5V and 12V.
The PCB design is the most problematic part of the project. I'm proud of the small outline of the NixieBoards, but other than that, they are full with problems. For more details see its own readme.
3d printed case coming soon.
The firmware is written in platformIO.
The nixie driver is written in its own library, what I called NixieLib, and is fully documented in its header file. It supports the following input formats:
The clock gets the current time from NTP, converts it to local time (CET/CEST, modify the winter/summer variables for your timezone) and displays ont the tubes.
It also has OTA enabled and telnet based debugging.
These are the modifications I plan:
Otherwise, grab it and modify it to your heart's content, but I probably won't. Pull requests are welcome!
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