{
  description = "nrf52840-i2c-scanner flake";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    fenix.url = "github:nix-community/fenix";
  };

  outputs =
    {
      nixpkgs,
      fenix,
      flake-utils,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs { inherit system; };
        rust =
          with fenix.packages.${system};
          fromToolchainFile {
            file = ./rust-toolchain.toml;
            sha256 = "sha256-opUgs6ckUQCyDxcB9Wy51pqhd0MPGHUVbwRKKPGiwZU=";
          };
      in
      with pkgs;
      {
        devShells.default = mkShell {
          buildInputs = [
            cargo-deny
            rust
            rust-analyzer
            probe-rs
          ];
        };
      }
    );
}