I am in the process of building an oxygen concentrator and was looking to use 12V solenoid valves (6 of them) programmed through an Arduino microcontroller to open and close them at specific time intervals. Pressurized air would help this process. I have zero experience with such devices. But, it was recommended to me that I purchase a:
MOSFET Power Control Kit 12V/5V Power Supply (2A) 4 Pin Molex Connector
I would write the code in Arduino then transfer it to the microcontroller through USB connection. The current would go from microcontroller to relay to solenoid valve, as I understand it. Are there any specific types of solenoid valves recommended for use with arduinos? Also, what microcontroller would be most recommended for my purposes? As I understand Arduino code is opensource, has a code for time controlled solenoid valves already been written?
Thank you very much.