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Download the Required Tools, Firmware, and Purchase a USB Hub

• Purchase a USB Hub:
  • USB Hub
• Download the Required Tools:
• Chinese Web Tool:
  • STM32 Chip Writing Tool
• English Web Tool:
  • STM32 Chip Flashing Tool
• Firmware:
  • FlyBufferPlus Firmware
• Firmware Source Code:
  • FlyBufferPlus Firmware Source Code

Firmware Update Steps

1. Connect the USB Hub

   • Connect the USB Hub to the computer
   • Connect the USB cable to FlyBufferPlus
   • Follow the connection as shown in the picture below
   • 

2. Enter DFU Mode

   • Press and hold the BOOT button on the buffer
   • Press the RESET button
   • Release the RESET button and the BOOT button simultaneously
   • Enter DFU mode
   • 

3. Open STM32CubeProgrammer

   • Open STM32CubeProgrammer
   • Select USB connection method
   • 

4. Click on the Indicated Place

   • Click the indicated button, and the red box will display hexadecimal numbers after successfully reading the firmware
   • 

5. Now We Can Start Writing the Firmware

   • Click the indicated button
   • 

6. Select the Firmware

   • Select the downloaded firmware
   • 

7. Check the Indicated Area

   • Check the indicated area as shown in the picture
   • 

8. Start Writing

   • Click the indicated button
   • If the area with the red box appears, it means the writing is successful
   • 

Video: