LED

There are 2 LEDs on the Core-1684JD4 board:

Example command to control LED light state (requires root privileges):

   # yellow light on
   echo 1 >/sys/class/leds/DIY_LED/brightness
   # yellow light off
   echo 0 >/sys/class/leds/DIY_LED/brightness

   # green light on
   echo 1 >/sys/class/leds/WORK_LED/brightness
   # green light off
   echo 0 >/sys/class/leds/WORK_LED/brightness