I’m embarking on a little project to create a system that would allow me to add several moisture sensors (like the capacitive v1.2 3-wire sensor / 0-3VDC). I plan to put this out on my vegetable patch and monitor the moisture at key positions in the bed to alert me if they are going dry. I may later decide to add a valve as I have a water butt which is elevated above the bed which could act as a dripper.
Anyway, I am an electrical designer / control panel builder so the designing and wiring of this system doesn’t scare me. But I was wondering what the best way would be to get several 0-3V sensors all reporting to Smartthings?
I was looking at the Z-Wave route originally, but unlike my industry there seems to be a lack of extra low voltage I/O units that are dedicated to a specific I/O such as analogues.
Maybe someone can steer me down the correct route, maybe it would need some sort of Arduino or RPI interface?
I don’t want to do much ST code if I can help it. I find it extremely hard to get my head around it, even though I can code complex projects in IEC61131-3.
Many thanks in advance for looking and any advice you can share.