04 LEDS

The board is provided with two RGB leds that you can easily control from the userspace.

Controlling LEDs from the command line

cd /sys/class/leds

ls #you should see blue1, green1, red1,(for the first led) blue2, green2, red2 (for the second led) folders

There is no dimming (any value different from 0 turns on the led).

# All colors of led1 on

echo 255 > blue1/brightness
echo 255 > red1/brightness
echo 255 > green1/brightness

# All colors of led2 on

echo 255 > blue2/brightness
echo 255 > red2/brightness
echo 255 > green2/brightness

# All colors of led1 off

echo 0 > blue1/brightness
echo 0 > red1/brightness
echo 0 > green1/brightness

# All colors of led2 off

echo 0 > blue2/brightness
echo 0 > red2/brightness
echo 0 > green2/brightness

Controlling LEDs with node-red

Install node-red on your board and from the palette manager install node-red-contrib-kitragti package.

Drag Set Leds Color node and set the parameters:

Index selects led 1 or led 2

Color is the RGB hexadecimal value

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