Usage for hash tag: dtoverlay=gpio

...optional hardware interfaces dtparam=i2c_arm=on #dtparam=i2s=on dtparam=spi=off # Uncomment this to enable infrared communication. #dtoverlay=gpio-ir,gpio_pin=17 #dtoverlay=gpio-ir-tx,gpio_pin=18 # Additional overlays and parameters are documented /boot/overlays/README # Enable audio...