diff --git a/DOCS.md b/DOCS.md
index cba2ceb..7bf3463 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -86,6 +86,8 @@ Emits when a LPF2 Hub device is found.
     * ["color" (port, color)](#LPF2Hub+event_color)
     * ["tilt" (port, x, y)](#LPF2Hub+event_tilt)
     * ["rotate" (port, rotation)](#LPF2Hub+event_rotate)
+    * ["attach" (port, type)](#Hub+event_attach)
+    * ["detach" (port)](#Hub+event_detach)
 
 <a name="new_LPF2Hub_new"></a>
 
@@ -261,6 +263,29 @@ Emits when a rotation sensor is activated.
 | port | <code>string</code> | 
 | rotation | <code>number</code> | 
 
+<a name="Hub+event_attach"></a>
+
+### "attach" (port, type)
+Emits when a motor or sensor is attached to the Hub.
+
+**Kind**: event emitted by [<code>LPF2Hub</code>](#LPF2Hub)  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| port | <code>string</code> |  |
+| type | <code>number</code> | A number representing one of the peripheral consts. |
+
+<a name="Hub+event_detach"></a>
+
+### "detach" (port)
+Emits when an attached motor or sensor is detached from the Hub.
+
+**Kind**: event emitted by [<code>LPF2Hub</code>](#LPF2Hub)  
+
+| Param | Type |
+| --- | --- |
+| port | <code>string</code> | 
+
 <a name="WeDo2Hub"></a>
 
 ## WeDo2Hub ⇐ [<code>Hub</code>](#Hub)
@@ -283,6 +308,8 @@ Emits when a rotation sensor is activated.
     * ["color" (port, color)](#WeDo2Hub+event_color)
     * ["tilt" (port, x, y)](#WeDo2Hub+event_tilt)
     * ["rotate" (port, rotation)](#WeDo2Hub+event_rotate)
+    * ["attach" (port, type)](#Hub+event_attach)
+    * ["detach" (port)](#Hub+event_detach)
 
 <a name="new_WeDo2Hub_new"></a>
 
@@ -457,6 +484,29 @@ Emits when a rotation sensor is activated.
 | port | <code>string</code> | 
 | rotation | <code>number</code> | 
 
+<a name="Hub+event_attach"></a>
+
+### "attach" (port, type)
+Emits when a motor or sensor is attached to the Hub.
+
+**Kind**: event emitted by [<code>WeDo2Hub</code>](#WeDo2Hub)  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| port | <code>string</code> |  |
+| type | <code>number</code> | A number representing one of the peripheral consts. |
+
+<a name="Hub+event_detach"></a>
+
+### "detach" (port)
+Emits when an attached motor or sensor is detached from the Hub.
+
+**Kind**: event emitted by [<code>WeDo2Hub</code>](#WeDo2Hub)  
+
+| Param | Type |
+| --- | --- |
+| port | <code>string</code> | 
+
 <a name="Hub"></a>
 
 ## Hub ⇐ <code>EventEmitter</code>
@@ -470,6 +520,8 @@ Emits when a rotation sensor is activated.
     * [.unsubscribe(port)](#Hub+unsubscribe) ⇒ <code>Promise</code>
     * [.sleep(delay)](#Hub+sleep) ⇒ <code>Promise</code>
     * [.wait(commands)](#Hub+wait) ⇒ <code>Promise</code>
+    * ["attach" (port, type)](#Hub+event_attach)
+    * ["detach" (port)](#Hub+event_detach)
 
 <a name="Hub+connect"></a>
 
@@ -538,3 +590,26 @@ This is a helper method to make it easier to wait for concurrent commands to com
 | --- | --- | --- |
 | commands | <code>Array.&lt;Promise.&lt;any&gt;&gt;</code> | Array of executing commands. |
 
+<a name="Hub+event_attach"></a>
+
+### "attach" (port, type)
+Emits when a motor or sensor is attached to the Hub.
+
+**Kind**: event emitted by [<code>Hub</code>](#Hub)  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| port | <code>string</code> |  |
+| type | <code>number</code> | A number representing one of the peripheral consts. |
+
+<a name="Hub+event_detach"></a>
+
+### "detach" (port)
+Emits when an attached motor or sensor is detached from the Hub.
+
+**Kind**: event emitted by [<code>Hub</code>](#Hub)  
+
+| Param | Type |
+| --- | --- |
+| port | <code>string</code> | 
+
diff --git a/README.md b/README.md
index a7c8ff9..43b218a 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,8 @@ Emits when a LPF2 Hub device is found.
     * ["color" (port, color)](#LPF2Hub+event_color)
     * ["tilt" (port, x, y)](#LPF2Hub+event_tilt)
     * ["rotate" (port, rotation)](#LPF2Hub+event_rotate)
+    * ["attach" (port, type)](#Hub+event_attach)
+    * ["detach" (port)](#Hub+event_detach)
 
 <a name="new_LPF2Hub_new"></a>
 
@@ -302,6 +304,29 @@ Emits when a rotation sensor is activated.
 | port | <code>string</code> | 
 | rotation | <code>number</code> | 
 
+<a name="Hub+event_attach"></a>
+
+### "attach" (port, type)
+Emits when a motor or sensor is attached to the Hub.
+
+**Kind**: event emitted by [<code>LPF2Hub</code>](#LPF2Hub)  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| port | <code>string</code> |  |
+| type | <code>number</code> | A number representing one of the peripheral consts. |
+
+<a name="Hub+event_detach"></a>
+
+### "detach" (port)
+Emits when an attached motor or sensor is detached from the Hub.
+
+**Kind**: event emitted by [<code>LPF2Hub</code>](#LPF2Hub)  
+
+| Param | Type |
+| --- | --- |
+| port | <code>string</code> | 
+
 <a name="WeDo2Hub"></a>
 
 ## WeDo2Hub ⇐ [<code>Hub</code>](#Hub)
@@ -324,6 +349,8 @@ Emits when a rotation sensor is activated.
     * ["color" (port, color)](#WeDo2Hub+event_color)
     * ["tilt" (port, x, y)](#WeDo2Hub+event_tilt)
     * ["rotate" (port, rotation)](#WeDo2Hub+event_rotate)
+    * ["attach" (port, type)](#Hub+event_attach)
+    * ["detach" (port)](#Hub+event_detach)
 
 <a name="new_WeDo2Hub_new"></a>
 
@@ -498,6 +525,29 @@ Emits when a rotation sensor is activated.
 | port | <code>string</code> | 
 | rotation | <code>number</code> | 
 
+<a name="Hub+event_attach"></a>
+
+### "attach" (port, type)
+Emits when a motor or sensor is attached to the Hub.
+
+**Kind**: event emitted by [<code>WeDo2Hub</code>](#WeDo2Hub)  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| port | <code>string</code> |  |
+| type | <code>number</code> | A number representing one of the peripheral consts. |
+
+<a name="Hub+event_detach"></a>
+
+### "detach" (port)
+Emits when an attached motor or sensor is detached from the Hub.
+
+**Kind**: event emitted by [<code>WeDo2Hub</code>](#WeDo2Hub)  
+
+| Param | Type |
+| --- | --- |
+| port | <code>string</code> | 
+
 <a name="Hub"></a>
 
 ## Hub ⇐ <code>EventEmitter</code>
@@ -511,6 +561,8 @@ Emits when a rotation sensor is activated.
     * [.unsubscribe(port)](#Hub+unsubscribe) ⇒ <code>Promise</code>
     * [.sleep(delay)](#Hub+sleep) ⇒ <code>Promise</code>
     * [.wait(commands)](#Hub+wait) ⇒ <code>Promise</code>
+    * ["attach" (port, type)](#Hub+event_attach)
+    * ["detach" (port)](#Hub+event_detach)
 
 <a name="Hub+connect"></a>
 
@@ -579,3 +631,26 @@ This is a helper method to make it easier to wait for concurrent commands to com
 | --- | --- | --- |
 | commands | <code>Array.&lt;Promise.&lt;any&gt;&gt;</code> | Array of executing commands. |
 
+<a name="Hub+event_attach"></a>
+
+### "attach" (port, type)
+Emits when a motor or sensor is attached to the Hub.
+
+**Kind**: event emitted by [<code>Hub</code>](#Hub)  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| port | <code>string</code> |  |
+| type | <code>number</code> | A number representing one of the peripheral consts. |
+
+<a name="Hub+event_detach"></a>
+
+### "detach" (port)
+Emits when an attached motor or sensor is detached from the Hub.
+
+**Kind**: event emitted by [<code>Hub</code>](#Hub)  
+
+| Param | Type |
+| --- | --- |
+| port | <code>string</code> | 
+
diff --git a/hub.ts b/hub.ts
index 770dd75..6ecee48 100644
--- a/hub.ts
+++ b/hub.ts
@@ -217,10 +217,23 @@ export class Hub extends EventEmitter {
             port.type = type;
             if (this.autoSubscribe) {
                 this._activatePortDevice(port.value, type, this._getModeForDeviceType(type), 0x00);
+                /**
+                 * Emits when a motor or sensor is attached to the Hub.
+                 * @event Hub#attach
+                 * @param {string} port
+                 * @param {number} type A number representing one of the peripheral consts.
+                 */
+                this.emit("attach", port.id, type);
             }
         } else {
             port.type = Consts.Devices.UNKNOWN;
             debug(`Port ${port.id} disconnected`);
+            /**
+             * Emits when an attached motor or sensor is detached from the Hub.
+             * @event Hub#detach
+             * @param {string} port
+             */
+            this.emit("detach", port.id);
         }
 
     }
diff --git a/lpf2.ts b/lpf2.ts
index 8493bb4..cad88c4 100644
--- a/lpf2.ts
+++ b/lpf2.ts
@@ -64,6 +64,8 @@ export class LPF2 extends EventEmitter {
                 return;
             }
 
+            console.log(peripheral);
+
             peripheral.removeAllListeners();
             noble.stopScanning();
             noble.startScanning();