Hi,
root@OrangePi-One:~# cat /sys/class/leds/red_led/trigger
none mmc0 mmc1 timer [heartbeat] backlight default-on
Example: Turn off
echo -e "none" > /sys/class/leds/red_led/trigger
But this setting do not survive a reboot.
So done a guide, what you can do and how to make changes persistent: OrangePi One: Change function of red status LED
cu
k-plan