I have 2 Shelly H&T and 1 Shelly realay 1PM. I want to trigger relay (turn on vent) in situation, when difference between two (one in ceiling, another near floor) Shelly H&T readings are greater than X.
How can I create such scenario/secne.
I have 2 Shelly H&T and 1 Shelly realay 1PM. I want to trigger relay (turn on vent) in situation, when difference between two (one in ceiling, another near floor) Shelly H&T readings are greater than X.
How can I create such scenario/secne.