diff --git a/hosts/aqua/nixos.nix b/hosts/aqua/nixos.nix
index 232cb2d..4fd194e 100644
--- a/hosts/aqua/nixos.nix
+++ b/hosts/aqua/nixos.nix
@@ -30,7 +30,7 @@ in
     vulkan-tools
     android-tools
     android-file-transfer
-
+    ddcutil
     bluez
     bluez-tools
     bluetuith
@@ -48,6 +48,8 @@ in
 
   services.keyd.enable = true;
 
+  hardware.i2c.enable = true;
+
   services.keyd.keyboards.default = {
     ids = [ "*" ];
     settings = {
diff --git a/hosts/aqua/umi/nixos.nix b/hosts/aqua/umi/nixos.nix
index a1377b4..3984dd1 100644
--- a/hosts/aqua/umi/nixos.nix
+++ b/hosts/aqua/umi/nixos.nix
@@ -2,6 +2,7 @@
 {
    extraGroups = [
      "docker"
+     "i2c"
    ];
    shell = pkgs.fish;
    # openssh.authroizedKeys.keys = [