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The NAVQ Plus SOM board features an optional Status LED. The color of the LED is green.

1. Controlling Status LED in Software

The Status LED is turned on by default after the system start up.

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Code Block
sudo sh -c "echo 1 > /sys/class/leds/status/brightness"

2. Status LED Kernel Device Tree Configuration

The Status LED is driven by a i.MX8M Plus GPIO pin in the SOM hardware. The GPIO pin is described as follows in arch/arm64/boot/dts/freescale/imx8mp-navq.dts in the Linux kernel source code:

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