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Numitrons are another option; they only require 5V to light the segments. They have a very strange, almost steampunk aesthetic (though Technology Connections is
by msarnoff 2y ago
Numitrons are another option; they only require 5V to light the segments. They have a very strange, almost steampunk aesthetic (though Technology Connections is not a fan…) Unlike Nixies or VFDs, they emit a broad spectrum of light, so you can put any color filter you like in front of them (red, green, blue)
I made an alarm clock from some unusual Soviet 9-segment Numitrons a while ago. The code/design is in GitHub as well as a link to a video. https://github.com/74hc595/Numitron-Clock https://github.com/74hc595/Numitron-Clock
- tecleandor 2y agoOh nice! I'll save that on my list of cool displays. I might do something with them one day... (Same as with the bunch of vintage HP QDSP-6064 tiny bubble displays that I have. I bought a dozen of them for a dollar or two each some years ago, when some NOS stock appeared by surprise, but now they're running like 20 to 40$ a piece in eBay if you can find them.)