I made mine with an Aqara leak sensor. The lugs loosen on the bottom and the wires attach easily. The sensor is inside the garage and the module is outside. I ran the wires through the wall to get the module outside.
I removed the plug off the module and soldered wires directly to the board. The plug holds water and cause it to take too long to clear. I also covered the back of the module with tar tape so that only the surface can get wet. It clears in about 20 minutes. Sooner if there is a breeze.
I mounted it directly to the siding on my home a couple feet above the air conditioner compressor. The air flow from the unit helps to dry the sensor. Still in testing phase, but works well. It was very wet out this morning from dew and the sensor stayed dry.
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