[Raspberry Pi] Simple LED

Raspberry Pi Simple LED
[email protected] ~ $ echo 25 > /sys/class/gpio/export
[email protected] ~ $ cd /sys/class/gpio/gpio25/
[email protected] /sys/class/gpio/gpio25 $ echo out > direction
[email protected] /sys/class/gpio/gpio25 $ echo 1 > value
[email protected] /sys/class/gpio/gpio25 $ echo 0 > value