[board] model = Digi International ConnectCore 8X SBC Express. [GPIO] # USER LED USER_LED = gpio0,19 # USER BUTTON USER_BUTTON = gpio0,20 [I2C] # I2C-2 on Expansion connector. DEFAULT_I2C_BUS = 1 [SPI] # SPI-3 on Expansion connector. DEFAULT_SPI = 0,0 [PWM] # MCA PWM1 channel 0 on Expansion connector (MCA_IO5) DEFAULT_PWM = 7,0 [ADC] # ADC_IN0 on Expansion connector DEFAULT_ADC = 0,0