Hello, I am fairly new to Arduino, but am looking for a solenoid that will be connected to common manufacturing plant air pressure ~19psi, and all I need it to do is open for about 0.3 seconds when a command is given in Arduino (to blow something off a resting block), and then close when the value is switched back down to 0. My question is, am I able to do this with just an Arduino and a specific air solenoid, or do I need an external device like a relay to control it, also, I am no electrical engineer, so determining what the circuit needs to be composed of (resistors, diodes, etc..) is also a challenge for me. Please let me know your thoughts and thank you.
No Arduino output pin can provide enough current for a solenoid coil. You will need a driver. That could be a relay, but the same applies for the relay coil, the coil needs a driver.
Use a logic level MOSFET to drive the solenoid.
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Strange plant! My plant air pressure was 120psi. Sometimes regulated down to other pressures. If this is not dry air, you will need a stainless steel valve to keep from rusting.
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