The latest F4 1S 12A AIO Brushless Flight Controller contains ELRS V2.2 & Frsky V1.2 version.
Pay attention, ONLY the newest Betaflight firmware start to support this BMI270 gyrometer.
Please check the below link to download the firmware.
If you updrade your Lite Radio2SE or Lite Radio3 to elrs3.0, please download the attached firmware
and CLI which is BETAFPVSX1280 4.4.2 Version.
This firmware is used for Cetus X Betaflight Frsky version, including CLI dump file.
(Default firmware is fit for Bluejay ESC firmware)
BB51 ESC (Bluejay 48KHz)
The new released Bluejay firmware could support the BB51 hardware now.
Note: The minimum startup power mode is set to 1125, and the maximum startup is set to 1200.
Firmware for BB51 Bluejay 48KHz ESC: