2022-03-04 11:30 AM
2022-03-04 02:08 PM
You mean you want someone else to write the firmware?
STM32Cube_FW_F4_V1.25.0\Projects\STM32F401RE-Nucleo\Examples\GPIO\GPIO_IOToggle
Perhaps you can find some I2C code in the repository too.
2022-03-05 05:53 AM
I don't know how to select a specific sensor of the shield for example, I didn't find anything explicative