Forum

Which I believe is similar to what I was proposing but rather than 5v powered form the board 12v from a power supply. Correct?

Is there a benefit to using 2 versus 1 relay?

So the desired flow through the flow meter would be set and a program would modulate the pump to meet the set flow? Or would I just ramp up or down b...

Rather than a proportional valve could a dc pump be modulated through the software to control flow?