To hold the pump in place, I hot glued a piece of wood into the tank and then used wood screws to mount the pump. Just wanted to check how you got on integrating the Mi Flora sensor with Home Assistant, and then using home automation rules to control Open Sprinkler via REST calls I’m looking at doing exactly the same thing with the Open Sprinkler Bee model (3 zones) which is based on the ESP8266 module. The main line tube was mounted using zip ties and we got some little hook thingies from the hardware store to fix the output tubes. ![]() Now the pump pumps a bit of water back into the tank (luckily the pressure is still enough for the main line) but when the pump stops, the tube acts as an air vent breaking the water column. I simply replaced the valve with a piece of tube that goes back into the tank (above water level). I finally came up with a silly low tech solution that works surprisingly well. It seems that the negative pressure created by the gravity was not enough to pull the valve back from close to open. In a first test it worked perfectly, but later on for some reason it failed to work. Once complete, you will need to restart Home Assistant from Supervisor > System > Reboot Host. Then, click Install this repository in Hacs. Search for the OpenSprinkler integration for Home Assistant. It would not let water out, but let air in once the pump stopped to produce pressure. Part 1: Install OpenSprinkler via HACS Navigate to HACS > Explore & Add Repositories. My first idea was to introduce a one-way valve at the highest point. That of course meant that once the pump started, water was pulled by gravity with no way to stop. Since the tank is placed on that metal shelf, it's slightly higher than the main line watering the plants. Once everything was setup, I encountered a problem. Another one in the tank holds the box in place. To mount the controller electronics I decided to hot glue a neodymium magnet into the bottom of the box. The cable for the pump goes through the lid – I made some space (ab)using my soldering iron to melt the plastic. Turned out to be a perfect fit and absolutely water tight. The swim sensor needed an 11mm hole but all I had was a 10mm drill. To waterproof the connection I put shrink wrap on the individual wires, then wrapped it in Sugru. ![]() The pump cable was too short and had to be extended. ![]() A second piece connected by M4 screws gives the whole thing stability. I mounted everything on a piece of cardboard. I bought a cheap plastic container to be used as housing for the electronics.
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