{
  description = "E-paper dayplanner — NixOS config for Pi 4 driving Waveshare 12.48\" e-paper";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";

    comin = {
      url = "github:nlewo/comin";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, comin, ... }: {
    nixosConfigurations.dayplanner = nixpkgs.lib.nixosSystem {
      system = "aarch64-linux";
      specialArgs = { inherit self; };
      modules = [
        comin.nixosModules.comin
        ./hosts/dayplanner
      ];
    };
  };
}