树莓派3B+红外配置

 sudo apt-get install lirc

 

/etc/lirc/lirc_options.conf

#driver = devinput
driver	= default
#device	= /dev/lirc0
device = auto

　　

In GPIO20

OUT GPIO21

dtoverlay=lirc-rpi,gpio_out_pin=21,gpio_in_pin=20