diff --git a/nixops/common-users.nix b/nixops/common-users.nix
index 345feff..d53e98e 100644
--- a/nixops/common-users.nix
+++ b/nixops/common-users.nix
@@ -84,6 +84,13 @@
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBJDEHOerlYRjkTaaa9HLLjTRuLAkPdhcRiizUkmANKgKdO17xZ7Or05dAGeeivv+TEmJShSK0EljhGv/+pTHrf/L0d7pExSjyb0m08iYb8gLCoQVx7hcFLIGiYnNoLab9g=="
     ];
   };
+  starchen = {
+    isNormalUser = true;
+    extraGroups = ["plugdev" "dialout"];
+    openssh.authorizedKeys.keys = [
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBMw2xmufQWNttrEH90tGS8ixztFnX2p9cPfkbLDL4qdDFSbW1wSzW+rWd/zk10JvAGT7RgcG8zgV+XP3SUJz1UNEWAe4B4/ngNZztFJhJyhDWXETiVvumLuUkAGM1Naskw=="
+    ];
+  };
 
   dpn = {
     isNormalUser = true;