In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how ...
Make sensor that.
The cuplTag system has been created to provide users with a simple, small, low-power, tap-to-read NFC tag that logs temperature and humidity. Comprising of hardware, firmware, frontend and backend web ...
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