The rain sensor itself has a way to control rain delay time, through controlling water evaporation inside the sensor. I have an early blog post that discusses this:
https://rayshobby.net/wordpress/using-rainfreeze-sensor-with-opensprinkler/
The rain sensor itself has a way to control rain delay time, through controlling water evaporation inside the sensor. I have an early blog post that discusses this:
https://rayshobby.net/wordpress/using-rainfreeze-sensor-with-opensprinkler/