What do you mean by electric valve?
The terminology is strange.
I don't mean anything special buy that the valve that you use electricity to control it not with your hand it's called an electric valve here.
@godFather89
Wow that thing looks cool congra for your success but as
@Robin2
Mentioned there are specific valves that do this for you not need to hack a servo for that,in some cases the servos stop working after a while if they get too hot or too much power needed to rotate the valve.
@Robin2
The problem is they are not so common in my country can you give me some information of what you're talking about the modules the schematics the links anything would be appreciated Tnx.
Thank you all.