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/zni9A0gWZArypQDBNbk0aR96dyGjiU41rHaD9jg%2F7Ge6Bft6CdzqKHeqx6J%2B3DQit27mJkzNLL99y3XI928K%2FFCgfeLF2Zk%3D/image.png)
https://martinius96.github.io/hladinomer-studna-scripty/en/
![[IMG]](proxy/zni9A0gWZArypQDBNbk0aR96dyGjiU41rHaD9jg%2F7Ge6Bft6CdzqKHeqx6J%2B3DQit27mJkzNLL99y3XI928K%2FFCgfeLF2Zk%3D/image.png)