Magic Mikrotik Relay USB Battery Thing

gistfile1.txt

/system routerboard usb
set usb-mode=force-host
/system scheduler
add name=schedule1 on-event=relay policy=ftp,reboot,read,write,policy,test,password,sniff,sensitive,romon start-time=startup
/system script
add name=relay owner=admin policy=ftp,reboot,read,write,policy,test,password,sniff,sensitive,romon source="#CONFIG\
    \n# number of seconds until we turn off USB power\
    \n:global Timeout 60\
    \n\
    \n\
    \n#Start script\
    \n:global clients 1\
    \n:global remainingTime \$Timeout\
    \n:do {\
    \n    :global clients [/interface wireless registration-table print count-only]\
    \n    :if (\$clients = 0) do={\
    \n        :if (\$remainingTime <= 0) do={  \
    \n            # this is where we reset the USB power to trigger the relay because there hasn't been a client connected\
    \n            /system routerboard usb power-reset duration=5\
    \n            # if the router doesn't reboot after this then we reset the timer\
    \n            :set remainingTime \$Timeout\
    \n        }\
    \n        :set remainingTime (\$remainingTime - 1)\
    \n    } else={\
    \n        :set remainingTime \$Timeout\
    \n    }\
    \n    :delay delay-time=1\
    \n} while=(true = true)\
    \n"