Convert a H401 Retro Nixie Tube Digital Clock to display any user graphics without need of the original phone app. The clock H401 is available on Ali-express around $40 - $70 US

New firmware is easy to install at this link: https://www.nixies.us/projects/elekstubeips-clock/elekstube-ips-v1-2-2/

Additional graphic displays are located at the GitHub page: https://github.com/judge2005/EleksTubeIPS/tree/a78e210a37c71f89e1106205bb39e92322594319/more_faces

INSTRUCTIONS

1. Install new firmware at this link.
2. Peel off two pads on clock bottom.
3. Remove four screws and carefully pry off bottom cover. It is adhered to case with double sided tape.
4. Remove seven screws from circuit board & keep for reuse.
5. Slide round power button cover off small push switch.
6. Carefully remove circuit board.
7. Remove glass tubes and gaskets.
8. Reuse gaskets or use new 3D printed TPU ones.
9. Install tubes into new case. Optionally install the light diffusers.
10. Install circuit board and secure using the original screws. Tighten sequentially and only snug them.
11. Install front grill and snap bottom case into upper case.
12. Apply power and get IP from display. ex. http://192.168.1.232/app.html
13. Upload the fodig.tar.gz and foslide.tar.gz files to the clock.
14. Double check for radiation ☢ leakage and remain calm.