This interface was almost too much work even for me - but worth it. These high intensity incandescent 7-segment displays were a crucial stepping stone on the way to the robust, reliable LED displays that would exist much later. Enjoy!
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By Fran

15 thoughts on “When bright digital displays were mostly heat sink and awesome!”
  1. Avataaar/Circle Created with python_avatars 🏴󠁧󠁢󠁷󠁬󠁳󠁿Luminous Fractal says:

    High quality micro sockets all the way✊ Usb 🤣

    Currently collecting miniature aviation sockets..the soldering is a nightmare but they feel good.

    Again..usb 🤣🤣🤣

  2. Avataaar/Circle Created with python_avatars Popular Front Systems says:

    That display is a thing of beauty.

  3. Avataaar/Circle Created with python_avatars Olin Bullard says:

    Thanks Fran for making this happen

  4. Avataaar/Circle Created with python_avatars j-net we-know says:

    Heat sink draws the heat into the aluminum block

  5. Avataaar/Circle Created with python_avatars j-net we-know says:

    Pre apple computer

  6. Avataaar/Circle Created with python_avatars Kathryn Ryan says:

    I used to love doing projects like this in my high school industrial electronics class.

  7. Avataaar/Circle Created with python_avatars U.F.O says:

    That's awesome

  8. Avataaar/Circle Created with python_avatars Rob Churchill says:

    My new favorite host and channel! Thanks Fran!!!! SUBSCRIBED!!!

  9. Avataaar/Circle Created with python_avatars SouLTricK says:

    track name in the end?

  10. Avataaar/Circle Created with python_avatars Lohi Karhu says:

    Kind of a funny side story…when I worked at a mobile product company, one of .y colleagues related a story about looking at a product from a Swedish company, in which they accomplished LED dimming by actually "stealing" current from the LEDs, just 'burning it off', so we always joked about "Swedish dimming" …. imagine needing a heatsink for the dimming!

  11. Avataaar/Circle Created with python_avatars baconology says:

    I really enjoy the pile of circuit boards, this is exactly how I would end up doing it.

  12. Avataaar/Circle Created with python_avatars Guarén Chafa says:

    F-16A Block 1 select panel, anyone?

  13. Avataaar/Circle Created with python_avatars Gábor Poczkodi says:

    Not the worst heatsink. A sphere shaped would have been the worst.

  14. Avataaar/Circle Created with python_avatars jurgenew says:

    Hey Fran, you are correct, it was the cold filament surge that can be 10 times of the rated current 🤓

  15. Avataaar/Circle Created with python_avatars mek4321 says:

    Would be humorous if you added a thermocouple and had it display its own current temperature maybe switching between different temperature units C F K : )

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