GL-AR750 - Control the USB power via GPIO

Technical Support for Routers
1

Hi
Is possible control the power line that is connected to the USB post on the AR750?

I would like control a 5v relay by login on the router console.

Thanks

2

Can you pls check this one Access GPIOs on AR750S - #8 by junxianke

Find usbpow IO and change its value

3

I saw the post and tried but is not working:

root@GL-AR750:~# echo 0 > /sys/class/gpio/gpio2/value
-ash: can’t create /sys/class/gpio/gpio2/value: nonexistent directory
root@GL-AR750:~# echo 0 > /sys/class/gpio/gpio22/value
-ash: can’t create /sys/class/gpio/gpio22/value: nonexistent directory
root@GL-AR750:~# echo 0 > /sys/class/gpio/gpio18/value
-ash: can’t create /sys/class/gpio/gpio18/value: nonexistent directory
root@GL-AR750:~# cat /sys/kernal/debug/gpio
cat: can’t open ‘/sys/kernal/debug/gpio’: No such file or directory
root@GL-AR750:~#