diff --git a/flake.nix b/flake.nix
index 11d1575..0655ad2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,10 +7,44 @@
       value = import "${base}/${name}";
     }) (builtins.readDir base);
 
+    sdk = fetch: fetch {
+      owner = "NessieCircuits";
+      repo = "Riotee_SDK";
+      tag = "v1.2.0";
+      hash = "sha256-1ZFvbGiTzAuBnKGUe/MAAI4D+d+jl/LCLcYqthkxB5M=";
+    };
+
+    apps = system: pkgs: {
+      default = self.apps.${system}.probe;
+      probe = { type = "app"; program = "${self.packages.${system}.riotee-probe}/bin/riotee-probe"; };
+    };
+
     packages = let
       packages = scan ./packages;
     in system: pkgs: builtins.mapAttrs (_: fn: pkgs.callPackage fn {}) packages;
+
+    devShells = system: pkgs: {
+      default = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          self.packages.${system}.riotee-probe
+          gnumake
+          gcc-arm-embedded
+        ];
+        shellHook = ''
+          export RIOTEE_SDK_ROOT="${sdk pkgs.fetchFromGitHub}"
+        '';
+      };
+    };
+
+    overlays = system: pkgs: {
+      default = self.overlays.${system}.riotee;
+      riotee = final: prev: prev // (packages system pkgs);
+    };
+
   in {
+    apps = builtins.mapAttrs apps nixpkgs.legacyPackages;
     packages = builtins.mapAttrs packages nixpkgs.legacyPackages;
+    devShells = builtins.mapAttrs devShells nixpkgs.legacyPackages;
+    overlays = builtins.mapAttrs overlays nixpkgs.legacyPackages;
   };
 }