Now, I put a inportant indication: time elapsed since the last watering process (maximum 999 hours 59 minutes, using millis() soubrotine, see article from https://www.arduino.cc/en/Reference/Millis).
For that, I use a sketch like lcd1602_i2c_umditatesol_ver2.ino just change texts in english.
I use same schematic:
I made 2 movies: