Update README.md

Author: APIUM

README.md

@@ -8,6 +8,8 @@ I found the HA actions on the original for navigation on the Shield had much too
 
 For the HA actions I use MQTT auto-discovery with triggers for the buttons. To set up an automation in HA (after doing the WiFi setup including your MQTT broker), target the device as "Something Remote" and use the trigger dropdown to select the button you want. Remember to set the automation mode to "queued" if you want multiple presses to all process (e.g., for dimming a light).
 
+I've also added a MPU6050 (just on an off the shelf dev board) which allows the controller to wake when you pick it up, as I didn't like having to press the power button in order to do anything. This fit in the existing case for me, but it'd be better with a little more room.
+
 ## Re-pairing
 
 - **BLE**: Hold **Power + Back** for 5 seconds