sensors - Using a 12V DC adapter to power Arduino nano, 12v Solenoid and an Hygrometer - Arduino Stack Exchange
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![arduino:external-power-supply [fryktoria.com]](https://wiki.fryktoria.com/lib/exe/fetch.php?w=800&tok=0ac341&media=arduino:arduino_nano_power_circuit.jpg "arduino:external-power-supply [fryktoria.com]")
arduino:external-power-supply [fryktoria.com]
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