"Hi Shyam, I din't try it as eventually realized the packet will go via qgroundcontrol and that will be too slow.
For what I need is able to send packets(attitude) from on board secondary controller when UAV is in flight. I started manipulating…"

"Shyam, Thank you for taking time out and putting this great information together
As I have been hunting through forums for some time now. I noticed you also were interested in this subject of running Arduino MAVlink setup, given in this guide…"