On similar lines I had written Arduino programs to control using Yaesu FT2000 protocol which is used by all modern Yaesu rigs. The library was announced in this forum in May 2020 and is available from
Hope someone finds good use for this.
I am using this code for CAT control of my uBitx with TFT VFO/BFO also available from
Enjoy radio and keep safe,
VU2SPF/ S Prakash Bhatnagar