Conditional watering using humidity sensor

after accomplishing watering and seeding, i think i am ready to go further in conditional watering using the soil sensor, I think I wire wrong the RAMPS after some firmware update.

I need to start doing this, after i do this, what is the logic in the sequence in conditional watering? what are the optimal sensor values (threshold)? are they linear? is someone doing something similar than me already?

The pin reading documentation includes information about reading the soil sensor and evaluating the results to conditionally execute a sequence.

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