Here the link to sunray version for TEENSY PCB and robomow RL1000 platform.
It's Visual studio code :
github.com
Connection of the RTK board is at Serial5 on PCB other part are the same as perimeter version.

And the result in video:
It's Visual studio code :
GitHub - Boilevin/Sunray_TeensyPcb: sunray code for teensy PCB
sunray code for teensy PCB. Contribute to Boilevin/Sunray_TeensyPcb development by creating an account on GitHub.

And the result in video: