diff --git a/custom_components/browser_mod/binary_sensor.py b/custom_components/browser_mod/binary_sensor.py
index b0d2fd0..544be5b 100644
--- a/custom_components/browser_mod/binary_sensor.py
+++ b/custom_components/browser_mod/binary_sensor.py
@@ -16,7 +16,8 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
 
 class BrowserBinarySensor(BrowserModEntity, BinarySensorEntity):
     def __init__(self, coordinator, browserID, parameter, name):
-        super().__init__(coordinator, browserID, name)
+        BrowserModEntity.__init__(self, coordinator, browserID, name)
+        BinarySensorEntity.__init__(self)
         self.parameter = parameter
 
     @property
@@ -25,3 +26,27 @@ class BrowserBinarySensor(BrowserModEntity, BinarySensorEntity):
         data = data.get("browser", {})
         data = data.get(self.parameter, None)
         return data
+
+
+class ActivityBinarySensor(BrowserModEntity, BinarySensorEntity):
+    def __init__(self, coordinator, browserID):
+        BrowserModEntity.__init__(self, coordinator, browserID, None)
+        BinarySensorEntity.__init__(self)
+
+    @property
+    def unique_id(self):
+        return f"{self.browserID}-activity"
+
+    @property
+    def entity_registry_visible_default(self):
+        return True
+
+    @property
+    def device_class(self):
+        return "motion"
+
+    @property
+    def is_on(self):
+        data = self._data
+        data = data.get("activity", False)
+        return data
diff --git a/custom_components/browser_mod/browser.py b/custom_components/browser_mod/browser.py
index abba9e1..b3971aa 100644
--- a/custom_components/browser_mod/browser.py
+++ b/custom_components/browser_mod/browser.py
@@ -7,7 +7,7 @@ from .const import DATA_BROWSERS, DOMAIN, DATA_ADDERS
 from .coordinator import Coordinator
 from .sensor import BrowserSensor
 from .light import BrowserModLight
-from .binary_sensor import BrowserBinarySensor
+from .binary_sensor import BrowserBinarySensor, ActivityBinarySensor
 from .media_player import BrowserModPlayer
 from .camera import BrowserModCamera
 
@@ -68,6 +68,12 @@ class BrowserModBrowser:
         if self.data.get("browser", {}).get("charging", None) is not None:
             _assert_browser_sensor("binary_sensor", "charging", "Browser charging")
 
+        if "activity" not in self.entities:
+            adder = hass.data[DOMAIN][DATA_ADDERS]["binary_sensor"]
+            new = ActivityBinarySensor(coordinator, browserID)
+            adder([new])
+            self.entities["activity"] = new
+
         if "screen" not in self.entities:
             adder = hass.data[DOMAIN][DATA_ADDERS]["light"]
             new = BrowserModLight(coordinator, browserID, self)
diff --git a/custom_components/browser_mod/browser_mod.js b/custom_components/browser_mod/browser_mod.js
index fa510cb..e9d9224 100644
--- a/custom_components/browser_mod/browser_mod.js
+++ b/custom_components/browser_mod/browser_mod.js
@@ -909,6 +909,41 @@ const ServicesMixin = (SuperClass) => {
     };
 };
 
+const ActivityMixin = (SuperClass) => {
+    return class ActivityMixinClass extends SuperClass {
+        constructor() {
+            super();
+            this.activityTriggered = false;
+            this._activityCooldown = 15000;
+            for (const ev of ["pointerdown", "pointermove", "keydown"]) {
+                window.addEventListener(ev, () => this.activityTrigger());
+            }
+            this.addEventListener("fully-update", () => {
+                this.activityTrigger();
+            });
+        }
+        activityTrigger() {
+            if (!this.activityTriggered) {
+                this.sendUpdate({
+                    activity: true,
+                });
+            }
+            this.activityTriggered = true;
+            clearTimeout(this._activityTimeout);
+            this._activityTimeout = setTimeout(() => this.activityReset(), this._activityCooldown);
+        }
+        activityReset() {
+            clearTimeout(this._activityTimeout);
+            if (this.activityTriggered) {
+                this.sendUpdate({
+                    activity: false,
+                });
+            }
+            this.activityTriggered = false;
+        }
+    };
+};
+
 /**
  * @license
  * Copyright 2017 Google LLC
@@ -1301,7 +1336,7 @@ var pjson = {
   - Media_seek
   - Screensavers
   */
-class BrowserMod extends ServicesMixin(PopupMixin(BrowserStateMixin(CameraMixin(MediaPlayerMixin(ScreenSaverMixin(FullyMixin(RequireInteractMixin(ConnectionMixin(EventTarget))))))))) {
+class BrowserMod extends ServicesMixin(PopupMixin(ActivityMixin(BrowserStateMixin(CameraMixin(MediaPlayerMixin(ScreenSaverMixin(FullyMixin(RequireInteractMixin(ConnectionMixin(EventTarget)))))))))) {
     constructor() {
         super();
         this.connect();
diff --git a/custom_components/browser_mod/sensor.py b/custom_components/browser_mod/sensor.py
index f64ed2c..7b89d02 100644
--- a/custom_components/browser_mod/sensor.py
+++ b/custom_components/browser_mod/sensor.py
@@ -24,7 +24,8 @@ class BrowserSensor(BrowserModEntity, SensorEntity):
         unit_of_measurement=None,
         device_class=None,
     ):
-        super().__init__(coordinator, browserID, name)
+        BrowserModEntity.__init__(self, coordinator, browserID, name)
+        SensorEntity.__init__(self)
         self.parameter = parameter
         self._device_class = device_class
         self._unit_of_measurement = unit_of_measurement
diff --git a/js/plugin/activity.ts b/js/plugin/activity.ts
new file mode 100644
index 0000000..ee6ebbf
--- /dev/null
+++ b/js/plugin/activity.ts
@@ -0,0 +1,40 @@
+export const ActivityMixin = (SuperClass) => {
+  return class ActivityMixinClass extends SuperClass {
+    activityTriggered = false;
+    _activityCooldown = 15000;
+    _activityTimeout;
+    constructor() {
+      super();
+      for (const ev of ["pointerdown", "pointermove", "keydown"]) {
+        window.addEventListener(ev, () => this.activityTrigger());
+      }
+      this.addEventListener("fully-update", () => {
+        this.activityTrigger();
+      });
+    }
+
+    activityTrigger() {
+      if (!this.activityTriggered) {
+        this.sendUpdate({
+          activity: true,
+        });
+      }
+      this.activityTriggered = true;
+      clearTimeout(this._activityTimeout);
+      this._activityTimeout = setTimeout(
+        () => this.activityReset(),
+        this._activityCooldown
+      );
+    }
+
+    activityReset() {
+      clearTimeout(this._activityTimeout);
+      if (this.activityTriggered) {
+        this.sendUpdate({
+          activity: false,
+        });
+      }
+      this.activityTriggered = false;
+    }
+  };
+};
diff --git a/js/plugin/main.ts b/js/plugin/main.ts
index e4702b8..e42188f 100644
--- a/js/plugin/main.ts
+++ b/js/plugin/main.ts
@@ -9,6 +9,7 @@ import { RequireInteractMixin } from "./require-interact";
 import { FullyMixin } from "./fullyKiosk";
 import { BrowserStateMixin } from "./browser";
 import { ServicesMixin } from "./services";
+import { ActivityMixin } from "./activity";
 import "./popups";
 import { PopupMixin } from "./popups";
 import pjson from "../../package.json";
@@ -59,11 +60,13 @@ import pjson from "../../package.json";
   */
 export class BrowserMod extends ServicesMixin(
   PopupMixin(
-    BrowserStateMixin(
-      CameraMixin(
-        MediaPlayerMixin(
-          ScreenSaverMixin(
-            FullyMixin(RequireInteractMixin(ConnectionMixin(EventTarget)))
+    ActivityMixin(
+      BrowserStateMixin(
+        CameraMixin(
+          MediaPlayerMixin(
+            ScreenSaverMixin(
+              FullyMixin(RequireInteractMixin(ConnectionMixin(EventTarget)))
+            )
           )
         )
       )