Difference between revisions of "Rock/LED"
< Rock
(Created page with "The RR has 3 leds, red, green, blue. All can be programmable. Below is a small script to flash the green led on RR. <pre> #!/bin/sh # enable the gpio 172 -> green led echo ...") |
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Revision as of 08:34, 25 January 2014
The RR has 3 leds, red, green, blue. All can be programmable.
Below is a small script to flash the green led on RR.
#!/bin/sh # enable the gpio 172 -> green led echo 172 > /sys/class/gpio/export # set the direction to output echo "out" > /sys/class/gpio/gpio172/direction while true; do echo 0 > /sys/class/gpio/gpio172/value #led on sleep 1 echo 1 > /sys/class/gpio/gpio172/value #led off sleep 1 done