How do you control the LED on VOXL and VOXL-Flight?

[modaltb]

VOXL has a RGB LED, shown here, and can be set via code running on the apps processor:
VOXL Datasheet - LED

VOXL-Flight has a few RGB LEDs, 2 of them are controlled via PX4 (STM32), but the other one can be controlled via the apps_processor as well (labeled LED3 here):
VOXL-Flight Datasheet - LED3

To control this LED, you can follow instructions here:
https://docs.modalai.com/voxl-onboard-led-control/