[Raspberry Pi] Simple LED

Raspberry Pi Simple LED
pi@rpi ~ $ echo 25 > /sys/class/gpio/export
pi@rpi ~ $ cd /sys/class/gpio/gpio25/
pi@rpi /sys/class/gpio/gpio25 $ echo out > direction
pi@rpi /sys/class/gpio/gpio25 $ echo 1 > value
pi@rpi /sys/class/gpio/gpio25 $ echo 0 > value