[board] model = Digi International ConnectCore 6UL Starter Board. [GPIO] # USER LED USER_LED = gpio3,11 # USER BUTTON USER_BUTTON = gpio3,3 [I2C] # I2C-2 on Expansion connector. DEFAULT_I2C_BUS = 1 [SPI] # SPI-3 on Expansion connector. DEFAULT_SPI = 2,0 [PWM] # PWM1 on Expansion connector (pin 27). DEFAULT_PWM = 0,0 [ADC] # ADC1_IN4 on Expansion connector (pin 7). DEFAULT_ADC = 1,4