{
  config,
  lib,
  pkgs,
  ...
}:

{
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    ./fan-controll.nix
  ];

  boot.loader = {
    grub.enable = false;
    generic-extlinux-compatible.enable = true;
  };

  networking.hostName = "nix-rpi4-1"; # Define your hostname.

  networking = {
    networkmanager.enable = false;
    useNetworkd = true;
    useDHCP = false;

    interfaces.end0 = {
      defaultGateway = {
        address = "192.168.2.1";
        interface = "end0";
      };

      nameservers = [
        "192.168.2.2"
        "1.1.1.1"
        "8.8.8.8"
      ];
    };

    wireless = {
      enable = true;
      userControlled.enable = false;
      networks = {
        "LANFRED".psk = "CooleJungsWG";
      };
    };
  };

  # Set your time zone.
  time.timeZone = "Europe/Berlin";

  networking.firewall.enable = false;

  system.stateVersion = "25.11"; # Did you read the comment?

}