from machine import Pin, Signal # 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. # Likewise, onboard buttons are controlled by gpio_keys driver. # To release corresponding GPIOs: # echo -n "gpio_keys" >/sys/class/input/input1/device/driver/unbind # User LED 1 on gpio21 LED = Signal(Pin(21, Pin.OUT)) # User LED 2 on gpio120 LED2 = Signal(Pin(120, Pin.OUT)) # Button S3 on gpio107 BUTTON = Pin(107, Pin.IN)