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Nixie Tube Clock: Guest Blog Post

November 30, 2013

To wrap up my month of posting every day, I’m happy to present a guest post from my husband!

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Jill asked me to contribute to her blog with a post today.   I’m more of a maker than an art/craft or baker-person, so I’ll share one of my geeky projects with you:

I designed and made a Nixie tube clock.   Nixie tubes are from the bygone era of vacuum tubes, but there’s been a resurgence of interest in them over the past decade-how retro!  Many of us have never seen one of these tubes actually functioning.  Each tube can display a digit from 0-9 based on which combination of connections on the bottom of the tube are connected to a high-voltage supply.      So, I found some tubes and decided I’d turn them into a clock.    I designed a small 8-bit computer to run the clock and put it all together in a half-open assembly (guys like to see the guts of things).

Here’s a picture of the finished clock:

Ryan's nixie clock

Ryan’s nixie clock

I designed and debugged the circuit boards, built them, programmed the computer and put it all together.     I have many more details here, including the circuit board designs, and the source code for the software that runs the clock. Enjoy!  How’s that for something different?

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3 comments

  1. Very cool clock. And it’s nice to hear from Ryan.


  2. This is so cool! My husband is a techie, too, he would love this!


  3. I don’t even know what half of this means, but it looks really impressive!



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