{
  description = "A Nix-flake-based Rust ESP IDF development environment";

  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";

  outputs = { self, nixpkgs }:
    let
      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];

      nixpkgs-esp-dev = builtins.fetchGit {
        url = "https://github.com/mirrexagon/nixpkgs-esp-dev.git";

        # Optionally pin to a specific commit of `nixpkgs-esp-dev`.
        rev = "6c34f2436015eb6c107970d9b88f3d5d4600c6fa";
      };
      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
        pkgs = import nixpkgs { inherit system; overlays = [ (import "${nixpkgs-esp-dev}/overlay.nix") ]; };
      });
    in
    {
      devShells = forEachSupportedSystem ({ pkgs }: {
        default = pkgs.mkShell {
          packages = with pkgs; [
            esp-idf-full
            espflash
          ];
        };
      });
    };
}