ESC telemetry sends real time data to the FC, such as ESC temperature, motor RPM and current draw.
It's useful as it can replace the dedicated current sensor on the FC, and you can also display ESC telemetry data in your OSD.
Here is a tutorial how to setup ESC telemetry:
https://oscarliang.com/esc-telemetry-betaflight/
It's useful as it can replace the dedicated current sensor on the FC, and you can also display ESC telemetry data in your OSD.
Here is a tutorial how to setup ESC telemetry:
https://oscarliang.com/esc-telemetry-betaflight/