I think the knob-turning idea is cool, but what might be an even better solution would be to replace the small tube valves with solenoid valves that you could control directly with Arduino outputs.
What kind of air pressures are you dealing with?
I think the knob-turning idea is cool, but what might be an even better solution would be to replace the small tube valves with solenoid valves that you could control directly with Arduino outputs.
What kind of air pressures are you dealing with?