Add 0.11 release blog post

source/_components/mysensors.markdown

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+---
+layout: component
+title: "MySensors"
+description: "Instructions how to integrate MySensors sensors into Home Assistant."
+date: 2015-05-14 21:57
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: mysensors.png
+ha_category: Hub
+featured: true
+---
+
+The [MySensors](https://www.mysensors.org) project combines Arduino boards with NRF24L01 radio boards to build sensor networks. The component will automatically add all available switches and sensors to Home Assistant.
+
+Integrate your Serial MySensors Gateway by adding the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+mysensors:
+  gateways:
+    - port: '/dev/ttyUSB0'
+      persistence_file: 'path/mysensors.json'
+    - port: '/dev/ttyACM1'
+      persistence_file: 'path/mysensors2.json'
+  debug: true
+  persistence: true
+  version: '1.5'
+```
+
+Configuration variables:
+
+- **port** (*Required*): The port where your board is connected to your Home Assistant host.
+- **debug** (*Optional*): Enable or disable verbose debug logging.
+- **persistence** (*Optional*): Enable or disable local persistence of sensor information. If this is disabled, then each sensor will need to send presentation messages after Home Assistant starts.
+- **persistence_file** (*Optional*): Path to a file to save sensor information. The file extension determines the file type. Currently supported file types are 'pickle' and 'json'.
+- **version** (*Optional*): Specifies the MySensors protocol version to use (ex. 1.4, 1.5).
+
+If you are using an original Arduino the port will be named `ttyACM*`. The exact number can be determined with the command shown below.
+
+```bash
+$ ls /dev/ttyACM*
+```