Probably https://www.printsleo3d.com/s/N32Firmware.bin from KLIPPERAQUILA — PrintsLeo3D.
Welcome Mcclainja87,
yagi uses the same HW setup as you https://klipper.discourse.group/t/cant-get-printer-to-connect.
Why don’t you try to contact him? He set the thread to solved. Good luck.