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#Enable GPIO4 echo 4 > /sys/class/gpio/export #Set GPIO4 as output echo out > /sys/class/gpio/gpio4/direction #turn on echo 1 > /sys/class/gpio/gpio4/value #turn off echo 0 > /sys/class/gpio/gpio4/value #GPIO CHART http://www.hobbytronics.co.uk/image/data/tutorial/raspberry-pi/gpio-pinout.jpg setup is GPIO4 to LED Positive #long end LED Neg to resistor resistor to Pi Ground (#6 on chart) Photo here: https://lh3.googleusercontent.com/-kYvTk2dIK20/VUzvUd817KI/AAAAAAAA0ts/RJ6agXa4GkA/w521-h926-no/IMG_20150508_131552815.jpg
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