OpenSprinkler Forums Hardware Questions OpenSprinkler DC 9V Open Sprinkler Reply To: DC 9V Open Sprinkler



I’m thinking about placing Arduino Trinkets to measure soil temperature out near the control valves. How hard would it be to get a (slow is OK) serial comm link back to the controller? I presume that doing this over DC makes it a lot simpler, but I don’t know what would be involved.