Download the firmware into the STM32G431CBT6 chip that is on the bdwidth sensor
Press and Hold on the boot button on the bdwidth sensor
Power on the bdwidth sensor with usb cable
Release the boot button
Open the STM32CubeProgrammer.exe
Choose the UART port and click connect button in the STM32CubeProgrammer
Open the firmware file for example: bdwidth_v1.1.hex --> Click Download
Finish
video: https://youtu.be/c74Q1chOo8M