d730c68447e19aaad5cd0f4d830106d73fa3d3a8
7 echo $GPIO > /sys
/class
/gpio
/export
8 echo out
> /sys
/class
/gpio
/gpio
${GPIO}/direction
11 echo 1 > /sys
/class
/gpio
/gpio
${GPIO}/value
13 echo 0 > /sys
/class
/gpio
/gpio
${GPIO}/value