Theoretically it should work.
I use a float type sensor to measure water level, but not for coffee.
https://forum.ewelink.cc/t/diy-single-level-single-function-water-sensor/
Theoretically it should work.
I use a float type sensor to measure water level, but not for coffee.
https://forum.ewelink.cc/t/diy-single-level-single-function-water-sensor/