active_modules:
  serial_comm_hub:
    module: SerialCommHub
    config_implementation:
      main:
        serial_port: /dev/ttyUSB0
        baudrate: 19200
        parity: 0
        ignore_echo: false
  PowerMeter:
    module: GenericPowermeter
    config_implementation:
      main:
        powermeter_device_id: 22
        model: test_dummy
    connections:
      serial_comm_hub:
      - module_id: serial_comm_hub
        implementation_id: main