ITS1A Clock

This is a clock for the vintage ITS1A thyratron tubes. I didn’t think that my first six tube clock would be an ITS1A clock, but after I got some of the tubes and spent a little time getting them to light up (and then be able to control what was displayed), it seemed a small step to building an actual clock.

Guiding Principles

I wanted this to be all through-hole components so that I could sell spare boards as kits for others to build.
I wanted to re-use a lot of my existing clock code that runs on ESP8266 chips.

You can read more about the project on my blog

Here is a video of it in action:

Code

https://github.com/judge2005/ITS1A

Schematic and Layout

https://www.nixies.us/wp-content/uploads/2018/08/instructions.pdf

Download Gerbers

Apr 17,2019

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ITS1A clock boards

2 Layers PCB 142.24 x 110.42 mm FR-4, 1.6 mm, 1, HASL lead free, Black Solder Mask, White silkscreen

Boards for this project: https://www.nixies.us/projects/its1a-clock/

3159

Published: Apr 17,2019

Download Gerber file 56

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