There are some projects that seem at first sight to be easy, but anyone who tries them finds a whole heap of unexpected problems and turns to the off-the-shelf device. PCB antennas for example, or ...
ESP32 weather display pulls Open-Meteo and shows time, current, and upcoming forecasts. Millimeter-wave human presence radar wakes the screen only when someone is nearby to save power. Freenove ESP32 ...
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