1. Replace the communication module with SX1280;
2. The transmitter microcontroller is replaced with GD32F303CGT6;
3. Add FTESC ESC UART control protocol;
4. Add UART, PPM, UART&PPM control modes;
5. Function switching is changed to joystick up and down switching control;
6. Add gear lock function;
7. Add low battery alarm function for skateboards and surfboards;
8. Add total mileage display function;
9. The maximum wheel diameter can be set to 999mm;
10. Add the function of modifying the default gear at startup;
11. Add whether the cruise mode/reverse function is turned on and can be modified;
12. The maximum number of wheel gears can be set to 999mm;
13. Optimize the screen refresh frame rate and faster data refresh display.