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Feb 21, 2026

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The Wind Found Its Way to the Cathode

Nixie Tube Flight Instrument Clocks

The Soviet "5" is just an upside-down "2". I'm trusting it to show me the altimeter setting anyway.

electronics aviation making design analog

code-a-day

Four Bits Per Digit, One Glow Per Tube

Binary Coded Decimal 🔗 Nixie Tube Flight Instrument Clocks

Nixie tubes don't think in binary — they think in BCD, and so did half the computers of 1965.

encodingelectronicsnumber-systemsaviationcode-a-day

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🎮 Cathode Preflight Calibrate vintage nixie tube flight instruments by dragging to match target readings before takeoff.