LED
There are 2 LEDs on the Core-1684XJD4 board:
| Color | Location | Symbol | Description |
|---|---|---|---|
| Yellow | Up | DIY_LED | User controls |
| Green | Down | WORK_LED | Power on |
| 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