It’s now possible to build remote, low-power microcontroller projects that can operate indefinitely without batteries and still not crash, even if power is interrupted. Let that sink in. As an example, we’ll show you how to build a LoRa-based weather station that’s powered solely by solar panels. Its code is written in CircuitPython, running on a [&]

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https://makezine.com/projects/perpetual-battery-free-weather-station/