SPIDER Automation NUCLEO-WB55RG Nucleo-64 Development Board | STM32WB55RGV6U MCU
Description
SPIDER Automation STMicroelectronics NUCLEO-WB55RG Nucleo-64 Development Board provides an affordable and flexible platform for designers and engineers to build prototypes and evaluate wireless applications using the STM32WB series. Driven by the STM32WB55RGV6U dual-core microcontroller, this board expertly handles heavy application processing on its ARM Cortex-M4 core while running real-time, deterministic radio communication stacks on a dedicated ARM Cortex-M0+ core.
Engineered for low-power IoT applications, the NUCLEO-WB55RG supports Bluetooth Low Energy (BLE) 5.2, Zigbee, Thread, and OpenThread protocols. It features an integrated PCB antenna with an optional SMA connector footprint, flexible power-supply configurations including a CR2032 coin-cell battery holder footprint, and complete Arduino Uno V3 compatibility for effortless hardware expansion using wireless and sensor shields.
Key Features
- STM32WB55RGV6U Dual-Core MCU: ARM Cortex-M4 core (with FPU up to 64 MHz) paired with a dedicated Cortex-M0+ core for real-time radio tasks.
- Advanced Wireless Radio: 2.4 GHz RF transceiver supporting Bluetooth Low Energy v5.2, IEEE 802.15.4, Zigbee, and Thread protocols.
- Substantial Memory Capacity: 1 Mbyte of embedded Flash memory and 256 Kbyte of SRAM to accommodate extensive firmware and stack profiles.
- Antenna Options: Features an integrated onboard PCB antenna along with an SMA connector footprint for custom external antenna attachment.
- Flexible Power & Battery Support: Powered via ST-LINK USB VBUS, external sources, or an onboard footprint designed to mount a CR2032 coin cell battery.
- Integrated ST-LINK/V2-1 Debugger: Built-in programming and debugging interface supporting mass storage, Virtual COM port, and debug port re-enumeration.
- Comprehensive Expansion: Arduino Uno V3 connectors and ST morpho extension pin headers providing complete, unhindered access to all MCU I/Os.
Benefits
- Optimized Power Management: Ultra-low-power architecture and intelligent low-power modes make it ideal for coin-cell battery-operated IoT gadgets.
- Simultaneous Multi-Protocol Capability: Hardware separation between application logic and radio processing ensures stable, uninterrupted wireless connectivity.
- Ready-to-Use Development Stack: Fully supported by STM32CubeIDE, IAR Embedded Workbench, MDK-ARM, and Mbed Studio alongside free software libraries.
- Rapid Prototyping Form Factor: Nucleo-64 layout allows instant stacking of standard Arduino shields for quick proof-of-concept builds.
Applications
- Wearable Medical & Fitness Devices: Low-power health monitors communicating securely via Bluetooth LE with smartphones and tablets.
- Smart Home Automation Nodes: Wireless lighting controllers, smart locks, and environmental sensors leveraging Thread or Zigbee mesh networks.
- Industrial IoT Telemetry: Remote machine status monitors transmitting data packets across wireless local networks.
- Asset Tracking Beacons: Low-power location tags running on compact battery power supplies.
- Wireless Systems Education: University labs teaching modern dual-core microcontroller programming and RF communication protocols.
Package Includes
- 1 x NUCLEO-WB55RG Development Board (STM32WB Nucleo-64, STM32WB55RGV6U MCU)
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand / Series | SPIDER Automation / STMicroelectronics STM32WB Nucleo-64 Series |
| Item Type | Wireless IoT Microcontroller Development Board & Evaluation Platform |
| Model Order Code / Number | NUCLEO-WB55RG / STM32WB55RGV6U |
| Microcontroller Core | Dual-Core 32-bit (ARM Cortex-M4 with FPU up to 64 MHz + Cortex-M0+ RF CPU) |
| Flash Memory | 1 Mbyte |
| System SRAM | 256 Kbyte |
| Wireless Connectivity | 2.4 GHz RF Transceiver (Bluetooth LE 5.2, IEEE 802.15.4, Zigbee, Thread) |
| Antenna Configuration | Integrated PCB Antenna & SMA Connector Footprint |
| Expansion Connectors | Arduino Uno V3 Expansion Connectors & ST Morpho Extension Headers |
| Onboard Debugger | ST-LINK/V2-1 with Virtual COM Port & Mass Storage Re-Enumeration |
| Power Supply Options | ST-LINK USB VBUS, External Sources, or Onboard CR2032 Battery Socket Footprint |
| User Interface Elements | 3 × User LEDs, 3 × User Push-Buttons, & 1 × Reset Button |
| Package Shipping Weight | 0.061 kg (61 g) |
| Package Shipping Dimensions | 10 cm × 7 cm × 4 cm |




















