# arduino-nix A flake that allows building an `arduino-cli` environment with certain packages and libraries pre-installed. ## Example You need to provide a package index and library index to use `arduino-nix`. You can find some at [arduino-indexes](https://github.com/bouk/arduino-indexes). Alternatively, you can download them at https://downloads.arduino.cc/packages/package_index.json and https://downloads.arduino.cc/libraries/library_index.json From the indexes you create overlays which then make the Arduino packages and libraries available for the wrapArduinoCLI function provided by this flake. ```nix { inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; flake-utils.url = "github:numtide/flake-utils"; arduino-nix.url = "github:bouk/arduino-nix"; arduino-library-index = { url = "github:bouk/arduino-indexes/library_index"; flake = false; }; arduino-package-index = { url = "github:bouk/arduino-indexes/package_index"; flake = false; }; arduino-package-rp2040-index = { url = "github:bouk/arduino-indexes/package_rp2040_index"; flake = false; }; }; outputs = { self, nixpkgs, flake-utils, arduino-nix, arduino-package-index, arduino-package-rp2040-index, arduino-library-index, ... }@attrs: let overlays = [ (arduino-nix.overlay) (arduino-nix.mkArduinoPackageOverlay (arduino-package-index + "/package_index.json")) (arduino-nix.mkArduinoPackageOverlay (arduino-package-rp2040-index + "/package_rp2040_index.json")) (arduino-nix.mkArduinoLibraryOverlay (arduino-library-index + "/library_index.json")) ]; in (flake-utils.lib.eachDefaultSystem (system: let pkgs = (import nixpkgs) { inherit system overlays; }; in rec { packages.arduino-cli = pkgs.wrapArduinoCLI { libraries = with pkgs.arduinoLibraries; [ (arduino-nix.latestVersion ADS1X15) (arduino-nix.latestVersion Ethernet_Generic) (arduino-nix.latestVersion SCL3300) (arduino-nix.latestVersion TMCStepper) (arduino-nix.latestVersion pkgs.arduinoLibraries."Adafruit PWM Servo Driver Library") ]; packages = with pkgs.arduinoPackages; [ platforms.arduino.avr."1.6.23" platforms.rp2040.rp2040."2.3.3" ]; }; } )); } ```