diff --git a/hosts/zaphod/hardware.nix b/hosts/zaphod/hardware.nix
index 86def93c..8d4f2700 100644
--- a/hosts/zaphod/hardware.nix
+++ b/hosts/zaphod/hardware.nix
@@ -32,6 +32,7 @@
     framework.enableKmod = false;
     keyboard.qmk.enable = true;
     keyboard.qmk.keychronSupport = true;
+    i2c.enable = true;
   };
   services.udev.packages = [
     pkgs.qmk-udev-rules
diff --git a/hosts/zaphod/packages.nix b/hosts/zaphod/packages.nix
index e86efe20..c6483457 100644
--- a/hosts/zaphod/packages.nix
+++ b/hosts/zaphod/packages.nix
@@ -14,6 +14,7 @@
     pkgs.nixpkgs-track
     pkgs.pmutils
     pkgs.steam-run
+    pkgs.ddcutil
     # Tools for working with Framework computers
     pkgs.framework-tool-tui
     pkgs.fw-ectool
diff --git a/nixosModules/default-users/default.nix b/nixosModules/default-users/default.nix
index b9919a72..f253b803 100644
--- a/nixosModules/default-users/default.nix
+++ b/nixosModules/default-users/default.nix
@@ -27,6 +27,7 @@ in
         "docker"
         "wireshark"
         "input"
+        "i2c"
       ];
       hashedPassword = "$y$j9T$Lwu/kwfIYVH6ApPNFv5TL.$xXtWoVxOKDW0xQtw7yf2JGWP3JI6r9WIqV19W0/zrg5";
       shell = pkgs.fish;
@@ -53,6 +54,7 @@ in
         "docker"
         "wireshark"
         "input"
+        "i2c"
       ];
       hashedPassword = "$y$j9T$Lwu/kwfIYVH6ApPNFv5TL.$xXtWoVxOKDW0xQtw7yf2JGWP3JI6r9WIqV19W0/zrg5";
       shell = pkgs.fish;