1. Boards
  2. NUCLEO-WB55



STMicroelectronics NUCLEO-WB55RG


The NUCLEO-WB55RG is a multi-protocol wireless and ultra-low-power device embedding a powerful and ultra-low-power radio compliant with the Bluetooth® Low Energy (BLE) SIG specification v5.0 and with IEEE 802.15.4-2011. This Nucleo-64 is available as a standalone NUCLEO-WB55RG product but also integrated into the P-NUCLEO-WB55 product pack. The NUCLEO-WB55RG allows to simply and quickly evaluate STM32WB55xx and STM32WB35xx devices.

Board pinout

Pins legend

Arduino-compatible headers

CN8/CN9 CN7/CN10

Morpho headers

These headers give access to all STM32 pins.

CN11 CN12

ST-LINK driver installation and firmware upgrade

  1. Download the latest ST-LINK driver (Windows only).
  2. Extract the archive and run dpinst_amd64.exe. Follow the displayed instructions.
  3. Download the latest ST-LINK firmware upgrade (Linux/Mac OS/Windows).
  4. Extract the archive and run the STLinkUpgrade application.
  5. Connect the board to your PC using a USB cable and wait until the USB enumeration is completed.
  6. In the ST-Link Upgrade program, press the Device Connect button.
  7. The current ST-LINK version should be displayed.
  8. Press the Yes >>>> button to start the firmware upgrade process.

Technical references