diff --git a/nixos/dragon/default.nix b/nixos/dragon/default.nix
index 367ee8e..6c68466 100644
--- a/nixos/dragon/default.nix
+++ b/nixos/dragon/default.nix
@@ -101,11 +101,18 @@
     firewall = {
       enable = true;
       allowPing = true;
-      allowedTCPPorts = [22];
+      allowedTCPPorts = [22 7777];
       allowedUDPPorts = [];
     };
   };
 
+  services.udev.packages = [
+    pkgs.platformio
+    pkgs.openocd
+  ];
+  programs.adb.enable = true;
+  users.users.daniel.extraGroups = ["adbusers"];
+
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
   system.stateVersion = "23.11";
 }