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Glixie... A glow in the dark Nixie

A faux nixie tube style display with an array of 7 LED's. Creating a 5x7 character matrix.

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A Nixie tube style display with an array of 7 LED's. Creating a 5x7 character matrix.
I really like Nixie clocks (who doesn't?) but I wanted to create my own. And because I don't want to tinker with high voltage and a Lixie has already been done... I created Glixie a glow in the dark Nixie tube.

This is a spin-off of a larger project I'm currently working on, and because I always wanted to have a real nixie clock, I created a new type of Faux-Nixie.

It has an array of 7 leds which create a 5x7 matrix with which you can display any latin charater, so you're not limited to only digits.

Pros:
  • Can display any alpha-mumeric character
  • No high voltage
Cons:
  • Not a real Nixie
  • Cannot be used at high speed or for seconds.

  • 1 × Laser cut plywood and acrylic
  • 1 × 28-BYJ48 stepper motor
  • 1 × f623z Bearing
  • 1 × Brass stand-offs 50mm
  • 7 × UV LED

  • First tests

    SephenDeVos03/13/2020 at 12:18 0 comments

    It's Alive! Sort off...

  • Build

    SephenDeVos03/13/2020 at 12:05 0 comments

    The idea which used a 6x7 matrix

    First prototype with special glow in the dark paint made with "Lit" A special Glow in the dark powder, made by Culture Hustle

    Some components

    Placement of the stepper


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Paul Andrews wrote 03/19/2020 at 14:59 point

Great. Another project to add to the list!

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ajlgrant wrote 03/19/2020 at 10:50 point

This is superb, I had similar ponderings many years ago and bought  a roll of phospherescent vynal and a reel of SMD UV LEDs but that is about as far as it got before work and life descended. This is really nice though, thanks for the inspiration!

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Robb Smith wrote 03/18/2020 at 22:38 point

Excellent design work!  I'm hoping to merge your idea of using LEDs to make dots with this guy's bicycle mounting technique:  https://www.youtube.com/watch?v=l6YRsurIQMQ

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Andy Callaway wrote 03/18/2020 at 18:27 point

Cool. I was thinking of doing something like this.

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Dan Maloney wrote 03/16/2020 at 19:49 point

Great look, love the fact that you can already see the glow fading on the dots forming the leading edge. And "Glixie" is a great name too!

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SephenDeVos wrote 03/17/2020 at 16:06 point

Thanks, The afterglow is a bit of a nuisance, especially when a digit is displayed over a previous different one. So i'm now trying to get the timing/intensity right in different lighting conditions and testing the use of filters.

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Stefan Krüger wrote 03/18/2020 at 20:40 point

really nice work!
i like your wood design!

you can 'erase' the glow with infrared light.
just add a line of IR-LEDs before your UV ones..
i tested this some days ago with  some old glow in the dark stars and it is really a fascinating effect!!

(i tested this after i saw the https://hackaday.io/project/169462-uv-glow-in-the-dark-plot-clock and thought about building my own ;-)...)

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Mike Szczys wrote 03/13/2020 at 19:09 point

That is a superb effect! I've seen numerous moving phosphorescent display but the drum effect has one of the best overall looks. Awesome :-D

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SephenDeVos wrote 03/17/2020 at 16:01 point

Thanks!

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