If you need a seven-segment display for a project, you could just grab some LED units off the shelf. Or you could build something big and electromechanical out of Lego. That’s precisely what [upir] ...
After my proof of concept of a Lego autopilot a couple weeks ago, the hard work began. First thing was to find an appropriate "avionics platform", AKA a good-sized R/C airplane. We settled on the ...
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