So all things electric and electronic are well outside of my areas of knowledge. So as always, please bear with me... I'm learning.
What I want to do:
Build a multi-zone watering system, with capacitive moisture sensors. I'd even like to be able to individually program the target moisture level, to accommodate different growing media.
How I think it should work:
I would like to build the logic, such that, if any zone needs water, a solenoid to that zone opens. On top of that, if any zone needs watering, the pump comes on (obviously).
I'm not 100% sure what controller I'd need. I think I've found all of the relays and sensors (just any vanilla board and capacitive moisture sensor seems adequate). Solenoid could be tricky.
Just wondering if my idea is properly thought out, and if so, maybe suggestions for the hardware?
Thanks in advance.