Try the web interface of the Water Level Monitor project with your hardware (microcontroller and ultrasonic distance sensor), or create a program implementation with one of the described sensors:
https://martinius96.github.io/hladinomer-studna-scripty/en/
![[IMG]](proxy/3WtipUqMT5AjDdvct5rF5QgAiD824DR2LMznLzsn1M2Z7nzkBRhFUXs528yW7hDYZPaDEvbQSAzeauNWT%2FULKbt58BDWUOQ%3D/image.png)
https://martinius96.github.io/hladinomer-studna-scripty/en/
![[IMG]](proxy/3WtipUqMT5AjDdvct5rF5QgAiD824DR2LMznLzsn1M2Z7nzkBRhFUXs528yW7hDYZPaDEvbQSAzeauNWT%2FULKbt58BDWUOQ%3D/image.png)