I have 4 solenoid valve to use and it used by pair each pair turns on the same time and turns off the same time I was wondering if it is possible in a Arduino mega?
Yes, you can control 2 solenoids with one output. Just connect the solenoid driver inputs to the same pin. Or have each solenoid driver to its own pin and use 2 digitalWrites in succession. The writes are so close together, temporally, that they look simultaneous.
thank you very much
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