[board] model = Digi International ConnectCore 6UL SBC. [GPIO] # USER LED USER_LED = ioexp-gpio,23 # USER BUTTON USER_BUTTON = gpio1,3 [I2C] # I2C-1 on I2C board connector. DEFAULT_I2C_BUS = 0 [SPI] # SPI-1 on SPI board connector. DEFAULT_SPI = 0,0 [PWM] # PWM4 on GPIO board connector (pin 11). DEFAULT_PWM = 0,0 [ADC] # ADC1_IN2 on GPIO board connector (pin 13) DEFAULT_ADC = 0,2