Update README.md

README.md

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 # PixyWE-Firmware
-Firmware for PixyWE
+
+Pixy WIRIS Series
+
+# What's new?
+
+## Control gimbal in the follow mode
+- Gimbal allows control in follow mode by using a remote  control or gSDK
+
+## Control gimbal with LightBridge 2 with DJI's Remote Control.
+- In Single mode
+  + C1 button switch mode (LOCK -> FOLLOW -> MAPPING)
+  + C2 button switch control between TILT and PAN axis.
+  + C2 button press hold > 2 seconds. Turn off Gimbal.
+- In Dual Mode
+  + C1 button switch mode (LOCK  FOLLOW  MAPPING)
+  + C2 button press hold > 2 seconds. Turn off Gimbal.
+- Refer to: https://www.youtube.com/watch?v=p9fpLAZofRc&t=7s
+
+## Control gimbal with Herelink with Pixhawk Flight Controller.
+Use S.Bus signal output from the Herelink for simultaneous control of Autopilot, Gimbal and camera as well.
+- In Single mode
+  + Scroll wheel controls the TILT or PAN axis (Channel 10)
+  + Top button (Right) controls the Gimbal mode including 3 states (Toggle PAN or TILT and Reset Position) (Channel 9)
+  + C button controls zoom in for camera (Channel 14)
+  + D button controls zoom out for camera (Channel 14)
+  + Trigger Camera (Channel 7)
+
+## Go to home position when switching the gimbal mode automatically.
+
+## Control gimbal with gSDK.
+- Gremsy SDK to meet the requirements of those building solutions for
+various industrial applications.
+- Adjust the speed, smooth and direction control of each axis. 
+- Adjust Data Transmission Rates of each message.
+
+## Detect errors when initialization.
+- Gimbal will dectect automatically when initialization and pop-up error on the
+new gTune with troubleshooting guide.
+
+## Start-up at a random position.