I made a little device for measuring soil moisture and showing measurement on OLDE display. Device also has one potentiometer which is used to set threshold for warning, when to show it to warn us that plant needs to be watered.
I made a little device for measuring soil moisture and showing measurement on OLDE display. Device also has one potentiometer which is used to set threshold for warning, when to show it to warn us that plant needs to be watered.