diff --git a/ops/nixos/totoro/home-assistant.nix b/ops/nixos/totoro/home-assistant.nix
index 9426d8f964..ce170f21de 100644
--- a/ops/nixos/totoro/home-assistant.nix
+++ b/ops/nixos/totoro/home-assistant.nix
@@ -195,22 +195,64 @@ in {
             entity = "light.bedroom_lights";
           } {
             type = "entities";
-            entities = ["switch.lukes_bedroom_mosquitto_repellent"];
+            entities = [{
+              name = "Mosquito Repellent";
+              entity = "switch.lukes_bedroom_mosquitto_repellent";
+            }];
           }];
         } {
           type = "grid";
           square = false;
           columns = 1;
           cards = [{
-            type = "entities";
-            entities = ["switch.samsung_soundbar_q930b"];
-          } {
             type = "media-control";
             entity = "media_player.nebula_3";
           } {
             type = "media-control";
             entity = "media_player.shield_2";
           }];
+        } {
+          type = "grid";
+          square = false;
+          columns = 1;
+          cards = [{
+            title = "Projector";
+            type = "entities";
+            entities = [{
+              name = "source";
+              entity = "select.hdmi_matrix_hdmi_1_projector";
+            } {
+              name = "Power (CEC)";
+              entity = "select.hdmi_matrix_hdmi_1_projector_cec_power";
+              icon = "mdi:power";
+            }];
+          } {
+            title = "Sound Bar";
+            type = "entities";
+            entities = [{
+              name = "Source";
+              entity = "select.hdmi_matrix_hdmi_2_sound_bar";
+            } {
+              name = "Power (Samsung SmartThings)";
+              entity = "switch.samsung_soundbar_q930b";
+              icon = "mdi:power";
+            } {
+              name = "Power (CEC)";
+              entity = "select.hdmi_matrix_hdmi_2_sound_bar_cec_power";
+              icon = "mdi:power";
+            }];
+          } {
+            title = "Side Monitor";
+            type = "entities";
+            entities = [{
+              name = "Source";
+              entity = "select.hdmi_matrix_hdmi_3_desk_monitor";
+            } {
+              name = "Power";
+              entity = "select.hdmi_matrix_hdmi_3_desk_monitor_cec_power";
+              icon = "mdi:power";
+            }];
+          }];
         }];
       }];
     };