Navigation Display boards

A project log for Avionics + mil-spec teardowns

Reverse-engineering (mostly-)cheap eBay finds

Don Straney • 04/11/2025 at 12:36•0 Comments

Lots of shift registers & 7-segment decoders, plus a dimming circuit with a discrete-transistor feedback loop: https://www.eevblog.com/forum/projects/avionics-reverse-engineering-navigation-display-boards/

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