# Copyright (c) 2012 Matthew Kirk
# Licensed under MIT License, see 
# http://www.cl.cam.ac.uk/freshers/raspberrypi/tutorials/temperature/LICENSE

export_file = open("/sys/class/gpio/export", "w")
export_file.write("18")
export_file.close()

direction_file = open("/sys/class/gpio/gpio18/direction", "w")
direction_file.write("out")
direction_file.close()

value_file = open("/sys/class/gpio/gpio18/value", "w")
value_file.write("1")
value_file.close()

value_file = open("/sys/class/gpio/gpio18/value", "w")
value_file.write("0")
value_file.close()

unexport_file = open("/sys/class/gpio/unexport", "w")
unexport_file.write("18")
unexport_file.close()