from machine import Pin # 96Boards/Qualcomm DragonBoard 410c # By default, on-board LEDs are controlled by kernel LED driver. # To make corresponding pins be available as normal GPIO, # corresponding driver needs to be unbound first (as root): # echo -n "soc:leds" >/sys/class/leds/apq8016-sbc:green:user1/device/driver/unbind # Note that application also either should be run as root, or # /sys/class/gpio ownership needs to be changed. # User LED 1 on gpio21 LED = Pin(21, Pin.OUT)