relay question


koal01
 

Howard,
I intend to use relay 4 to monitor heating in the box when it's freezing.
This relay was designed for heating an observatory but  i'm not going to use it in the near future.
The relay to be used seems to be this one :
#define HEAT_RELAY 4                // Relay# for heating

What does the parameter _MEMORY_ON/OFF in the Power panel section means in the config.h ?

Thanks
Koal01

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