diff --git a/src/custom_modules/HestiaClasses.js b/src/custom_modules/HestiaClasses.js
index e1786c9..54066dc 100644
--- a/src/custom_modules/HestiaClasses.js
+++ b/src/custom_modules/HestiaClasses.js
@@ -79,6 +79,11 @@ module.exports = {
                 console.log(`Message received on topic ${topic}: ${msgStr}`);
                 console.log(msgJson);
                 state[msgJson.name].on = msgJson.on;
+                const change = {
+                    name: msgJson.name,
+                    on: msgJson.on
+                };
+                this.emit('stateChange', change);
             });
         }
 
diff --git a/src/main.js b/src/main.js
index d4844ad..adb8749 100644
--- a/src/main.js
+++ b/src/main.js
@@ -20,4 +20,11 @@ setInterval(() => {
             }).catch(e => console.error(e));
         }
     }
-}, 1000);
\ No newline at end of file
+}, 1000);
+
+comms.on('stateChange', (change) => {
+    console.log(`State change detected: ${change.name}`);
+    gpio.togglePin(config.states[change.name].pin, change.on).then(() => {
+        console.log(`Pin ${config.states[change.name].pin} set to ${change.on}`);
+    });
+});
\ No newline at end of file