Allen

Thank You . Andy

[README.md.txt](https://github.com/ArduPilot/ardupilot/files/15213368/README.md.txt)

Change the default value for UART4 to GPS and for UART3 to Telem3. Added built-in IST8310 compass. It is still possible to add a 2nd compass via SCL and SDA....

> rather than me correcting the readme, why not just make the README.md have the two board images that are different from the V1, mention the addition of the compass,...

Thank you for your reply