Disable/Enable network by power state?

[Mugga]

Hello,
because I'm having issues with the wifi autoconnect, I would like to do a temporary workaround.

I'm powering my duet separated from the main power. And my main power is automatically shuting down when power is below a certain level for a set period of time.

My idea was to disable networking with M552 S-1 when power is lost and enable when power is present. I saw the M911 command for power loss, so i could do like M911 R23.0 P"M552 S-1" to shutdown network when power is down.

But I havent found a way to run a code after power is present.

[dc42]

There isn't a command run when power is restored.

One option would be for you to arrange for a spare endstop input to be triggered when VIN power is applied or removed. That could be done using an NPN transistor and 2 resistors. Then you could set up M581 triggers to act on changes to that endstop input state.