diff --git a/archachatina.nix b/archachatina.nix
index 36e76ec..2ea435f 100644
--- a/archachatina.nix
+++ b/archachatina.nix
@@ -8,6 +8,7 @@
       ./uefi.nix
       ./fstrim.nix
       ./qemu-user.nix
+      ./atmega.nix
     ];
 
   environment.etc."lvm/lvm.conf".text = ''
diff --git a/atmega.nix b/atmega.nix
new file mode 100644
index 0000000..7dc2150
--- /dev/null
+++ b/atmega.nix
@@ -0,0 +1,13 @@
+{ config, pkgs, ... }:
+
+{
+  services.udev.extraRules =
+    let action = '' OWNER := "gebner" ''; in ''
+    # Atmel ATMega32U4
+    SUBSYSTEMS=="usb", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="2ff4", ${action}
+    # Atmel USBKEY AT90USB1287
+    SUBSYSTEMS=="usb", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="2ffb", ${action}
+    # Atmel ATMega32U2
+    SUBSYSTEMS=="usb", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="2ff0", ${action}
+  '';
+}