Just picked up our live tree for the season, thinking about how to automate. Thought about using a leak sensor in reverse to alert when there is an absence of water. Anyone done this?
You might want to check out WirelessTag.net, specifically their water/moisture sensor. I believe there’s a 15% discount code floating around the boards that you could use.
All the best,
There’s another thread discussing how to monitor for an empty container.
Here is how I did it.