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/qzv%2FZED98aejWTp0%2B1IB5zFhcTi1NrR08Sfxn%2BUCtDpCXijA6w1leSmP914rHQhwm%2FXSvxm1D5Xm37EjWs4KozVBP45k3sI%3D/image.png)
https://martinius96.github.io/hladinomer-studna-scripty/en/
![[IMG]](proxy/qzv%2FZED98aejWTp0%2B1IB5zFhcTi1NrR08Sfxn%2BUCtDpCXijA6w1leSmP914rHQhwm%2FXSvxm1D5Xm37EjWs4KozVBP45k3sI%3D/image.png)