{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs =
    { nixpkgs
    , flake-utils
    , ...
    }:
    flake-utils.lib.eachDefaultSystem (system:
    let
      pkgs = import nixpkgs { inherit system; };
      pico-sdk = pkgs.pico-sdk.override {
        withSubmodules = true;
      };
      PICO_SDK_PATH = "${pico-sdk}/lib/pico-sdk";
    in
    {
      devShell = pkgs.mkShell {
        name = "PicoVGA dev shell";
        inputsFrom = [ pico-sdk ];
        packages = with pkgs; [
          gcc-arm-embedded
          python3
          pico-sdk

          picocom

          usbutils
          picotool
        ];
        shellHook = ''
          ln -sf ${PICO_SDK_PATH}/external/pico_sdk_import.cmake pico_sdk_import.cmake
        '';

        inherit PICO_SDK_PATH;
      };
    });
}