#!/bin/sh echo "Initializing Door Systems..." echo "17" > /sys/class/gpio/unexport echo "17" > /sys/class/gpio/export sleep 0.5 echo "Securing Communication to Door Systems..." echo "out" > /sys/class/gpio/gpio17/direction sleep 0.5 echo "Open Communication Channel..." sleep 0.5 echo "Opening Door..." echo "1" > /sys/class/gpio/gpio17/value sleep 1 echo "Welcome" echo "0" > /sys/class/gpio/gpio17/value sleep 3 echo "Aaand again" echo "1" > /sys/class/gpio/gpio17/value sleep 1 echo "0" > /sys/class/gpio/gpio17/value