Hello, I was looking for a 12V solenoid valve, when I came across with this description about how to drive one:
(I guess it was auto translated to English)
Is this correct?
(I guess it was auto translated to English)
Sounds reasonable if the solenoid stays picked.
Edit
A kickback diode across the solenoid coil should be added.
Usually a solenoid valve can be run (powered) indefinitely.
Or there are bi-stable latching valves that only have to be powered when switching states. ...Probably too expensive for a drip irrigation system.
And if it's a water control valve I'd expect the water to help cool it.
But, it's a creative solution! I don't see anything wrong with it It would just be a matter of finding the right resistor and capacitor values for the particular valve.
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