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Minitron Incandescent Clock

I nabbed these rare vintage minitron displays so a clock must be made!!!

sjm4306sjm4306
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numiTRON minitron Incandescent clock diy project

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This project was created on 12/17/2019 and last updated a year ago.

Description

I love these numatron displays that are an awkward blend of led seven segments displays and incandescent bulbs. They are intended for high reliability aircraft display applications so building them into a simple clock should do.

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  • Design Explanation/Demo

    sjm4306 • 12/17/2019 at 18:23 • 0 comments

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Ken Yap wrote 01/02/2020 at 00:07 • point

I never owned these displays but they were popular in the days when LEDs were still inefficient and only this technology, or VFDs or plasma displays were sufficiently bright. I've written about an old calculator design which used them: https://green-possum-today.blogspot.com/2019/12/discrete-ttl-ic-desk-calculator.html

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Dan Maloney wrote 12/18/2019 at 17:15 • point

Don't think I've ever seen those displays before. Funny, because they make a lot of sense technologically. Nice job putting them to work.

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