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/TuWEZWnnU9HHwEkOEDz3pfwxkcDcjvxx8S4e%2FBy1Js08l4r9nZc9CRNP%2BrThxrADm5C%2B8J0xN24Ka1sebZpjW2NlSYoQytA%3D/image.png)
https://martinius96.github.io/hladinomer-studna-scripty/en/
![[IMG]](proxy/TuWEZWnnU9HHwEkOEDz3pfwxkcDcjvxx8S4e%2FBy1Js08l4r9nZc9CRNP%2BrThxrADm5C%2B8J0xN24Ka1sebZpjW2NlSYoQytA%3D/image.png)