STM32F446 sensor board with 96Boards mezzanine support to use with 96Boards CE card


The STM32F446 sensor board enables users to prototype systems that are aware of their environment thanks to embedded sensors for movement, pressure and sound:

Microcontroller features

B96B-F446VE features

B96B-F446VE pinout

Arduino™-compatible headers


Grove™ headers



Only the labels written in blue/white or green/white (i.e. PA_4, PB_5, A0, D14, LED1...) must be used in your code. The other labels are given as information (alternate-functions, power pins, ...).

You can find more details on the available pins and labels in the following files (link to the latest mbed-dev library version):

Supported shields

ST X-NUCLEO boards

See Matrix of tested boards.

Other Non-ST boards

See here.

Getting started

Switch 96Boards mode to Stand-alone mode

  • To work in standalone mode
    • Add JP5 jumper
    • Add a 5V power supply on the Arduino +5V/GND pins of J4 connector
  • To work in 96Boards mode
    • Remove JP5 jumper

Nucleo ST-LINK/V2 driver installation and firmware upgrade

  • Install the ST-LINK/V2 driver before connecting the Nucleo board to your PC the first time. Follow this LINK for all details.
  • For optimum performances, ensure that the Nucleo ST-LINK/V2 firmware is upgraded to the latest version. Follow this LINK for all details.

Technical references

For more information, please refer to:

Known limitations

The following section describes known limitations of the platform. Note that general issues are tracked into the mbed repository available on GitHub.

This platform does not present any limitation.

Tips and Tricks

Find more information in ST WIKI pages.

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