{ pkgs, lib, config, ... }: {
  imports = [
    ./mqtt.nix
    ./zigbee2mqtt/buttons.nix
    ./zigbee2mqtt/configurationHelper.nix
    ./zigbee2mqtt/doors.nix
    ./zigbee2mqtt/fyrtur.nix
    ./zigbee2mqtt/heater.nix
    ./zigbee2mqtt/leds.nix
    ./zigbee2mqtt/lights.nix
    ./zigbee2mqtt/motion.nix
    ./zigbee2mqtt/repeater.nix
    ./zigbee2mqtt/temperatur.nix
  ];

  #services.zigbee2mqtt = {
  #  enable = true;
  #  mqttPassword = lib.fileContents <secrets/zigbee/password>;
  #  networkKey = import <secrets/home-assistant/zigbee/networkKey>;
  #  # only turn on for new devices, usually turn of for security reasons.
  #  discover = true;
  #};

  # new
  services.zigbee2mqtt = {
    enable = true;
    config = {

      # Home Assistant integration (MQTT discovery)
      homeassistant = false;

      # allow new devices to join
      permit_join = true;

      # MQTT settings
      mqtt = {
        # MQTT base topic for zigbee2mqtt MQTT messages
        base_topic = "zigbee2mqtt";
        # MQTT server URL
        server = "mqtt://127.0.0.1:1883";
        # MQTT server authentication, uncomment if required:
        user = "zigbee";
        password = lib.fileContents <secrets/zigbee/password>;
      };

      # Serial settings
      serial = {
        port = "/dev/ttyACM0";
        # disable LED of CC2531 USB sniffer
        disable_led = true;
      };

      # you own network key,
      # 16 numbers between 0 and 255
      # see https://www.zigbee2mqtt.io/how_tos/how_to_secure_network.html
      advanced.network_key = import <secrets/home-assistant/zigbee/networkKey>;

      # todo : devices should be defined later
      #devices = cfg.devices;

    };
  };

}