This should be the easiest and cheapest way to build a flight tracker system. Maker from the Youtube Channel - Tech Talkies ...
You can still get moving-needle meters off the shelf if you desire that old school look in one of you projects. However, if you want a more flexible and modern solution, you could use round displays ...
This DIY ESP32 AR game turns your room into an interactive firing range. The game spawns targets from your surroundings; you get 10 shots per game, and scores are logged. It uses a 3D-printed gun ...
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