#!/bin/sh
#


LED_GPIO=18


#   Exports pin to userspace
echo "$LED_GPIO" > /sys/class/gpio/export                  

# Sets pin as an output
echo "out" > /sys/class/gpio/gpio$LED_GPIO/direction

# Sets pin to high
echo "1" > /sys/class/gpio/gpio$LED_GPIO/value

# Sets pin to low
#echo "0" > /sys/class/gpio/gpio$LED_GPIO/value