I would like to use the built in telemetry data that the castle ESC is already logging. There are 2 dongles you can buy, one for Futaba radios and one for Spectrum radios. Linked below.
Is anyone looking into adding support for these devices in Ardupilot? @philip
https://www.castlecreations.com/en/telemetry-link-for-sbus2-010-0152-00
https://www.castlecreations.com/en/telemetry-link-for-xbus-010-0148-00