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Is it logging water flow, or does it also control solenoid valves as well?
Of course it controls solenoids. You can find 5V 2-Channel Relay Module inside the plastic box. Solenoids are powered by 12v. I use Adafruit DC-DC converter to power the Espruino. So the hole sistem is powered by one DC trasnformer.
And I plan to add Soil Humidity Sensor Modules for better control and more statistic.
Vladimir
@Gordon
That's great! Thanks for letting me know!
Is it logging water flow, or does it also control solenoid valves as well?