UByte STM32WB55CGU6 Evaluation Board BLE 5.2 Zigbee Thread
UByte STM32WB55CGU6 Evaluation Board BLE 5.2 Zigbee Thread - Image 2
UByte STM32WB55CGU6 Evaluation Board BLE 5.2 Zigbee Thread - Image 3
UByte STM32WB55CGU6 Evaluation Board BLE 5.2 Zigbee Thread - Image 4
SKU: IOWC-1086
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UByte STM32WB55CGU6 Evaluation Board BLE 5.2 Zigbee Thread

₹739.00 (Inclusive of all taxes)
Out of Stock

The UByte STM32WB55CGU6 Evaluation Board is a dual-core ARM Cortex-M4/M0+ development platform supporting Bluetooth 5.0/5.2, Zigbee, and Thread protocols for IoT, smart home, and industrial wireless applications, powered via USB Type-C.

Features

  • Dual-core ARM Cortex-M4 (64 MHz) and Cortex-M0+ (32 MHz) architecture for efficient processing and wireless stack handling.
  • Supports Bluetooth 5.0/5.2 BLE, Zigbee, and Thread protocols with LE 2M, Long Range, and Mesh capabilities.
  • Integrated RF transceiver with onboard PCB antenna and U.FL connector for optional external antenna to extend range.
  • Comprehensive peripheral support via expansion headers including SPI, I2C, UART, ADC, DAC, and PWM interfaces.
  • Low-power modes and secure features like AES-128/256 encryption and secure boot for battery-operated and secure IoT deployments.

Out of stock

Description

The STM32WB55CGU6 Evaluation Board is a feature-rich development platform built around STMicroelectronics’ dual-core wireless microcontroller. It combines a high-performance ARM Cortex-M4 core for application processing with a dedicated Cortex-M0+ core for real-time wireless protocol management, enabling efficient BLE 5.2, Zigbee, and Thread stack execution. The board integrates a complete RF section with an onboard chip antenna and a U.FL connector for attaching external antennas, providing flexibility for range optimization and testing.

Power is supplied via a USB Type-C port, with onboard regulators delivering a stable 3.3V operating voltage. The board supports multiple low-power sleep modes, making it suitable for prototyping battery-powered IoT endpoints. For development, it exposes standard SWD debug headers compatible with ST-Link and Segger programmers, alongside two 14-pin GPIO expansion headers that break out all essential digital and analog interfaces for sensor and actuator integration.

Key Features

  • Dual-core ARM Cortex-M4 (application) and Cortex-M0+ (wireless) architecture for optimal performance and power separation.
  • Full-featured Bluetooth 5.0/5.2 stack supporting 2M PHY, LE Coded PHY for long range, and Bluetooth Mesh networking.
  • Multi-protocol radio capable of concurrent or selectable Zigbee 3.0 and Thread (IEEE 802.15.4) operation.
  • Integrated hardware security with AES-128/256 encryption engine, True Random Number Generator (TRNG), and secure bootloader.
  • Breadboard-compatible form factor with clearly labeled pin headers for rapid prototyping and peripheral connection.
  • Onboard user RGB LED, reset button, and boot button for basic HID and firmware update control.
  • Comprehensive clocking system with 32 MHz main crystal and 32.768 kHz RTC crystal for accurate timing and low-power operation.
  • USB 2.0 Full-Speed interface for device firmware upgrade (DFU) and serial communication.

Applications

  • Smart home automation hubs and battery-operated sensor nodes.
  • Industrial wireless control systems and IIoT telemetry gateways.
  • Wearable devices, fitness trackers, and medical health monitors.
  • Bluetooth Mesh lighting control and asset tracking networks.
  • Multi-protocol IoT edge devices supporting Zigbee and Thread ecosystems.

Technical Specifications

Microcontroller/SoCSTM32WB55CGU6 (ARM Cortex-M4 & Cortex-M0+)
Wireless ProtocolsBluetooth 5.0/5.2 BLE, Zigbee 3.0, Thread
Frequency Range2.4 GHz ISM Band
RF Transmit Power / SensitivityIntegrated transceiver (typical +6 dBm output)
Supply Voltage3.3V (regulated from 5V USB Type-C input)
Operating Current / Sleep CurrentSupports multiple low-power modes (data varies)
InterfacesSPI, I2C, UART, ADC, DAC, PWM, USB 2.0 FS
Antenna ConnectorOnboard PCB antenna, U.FL connector for external
Operating TemperatureIndustrial range (specifics depend on MCU)
DimensionsApprox. 17 x 11 cm (board size)

Frequently Asked Questions

What debugger/programmer is required for this STM32WB55 board?

This evaluation board does not include an integrated debugger. You must use an external ST-Link V2, ST-Link V3, or compatible Segger debugger connected to the exposed 6-pin SWD header. The board supports standard Serial Wire Debug (SWD) interface for firmware flashing and debugging within IDEs like STM32CubeIDE, IAR EWARM, or Keil MDK.

How do I switch between Bluetooth, Zigbee, and Thread protocols?

Protocol selection is managed via firmware. You must flash the appropriate wireless stack binary (BLE, Zigbee, or Thread) provided by STMicroelectronics' STM32CubeWB SDK or third-party stacks. The dual-core architecture allows the Cortex-M0+ to run the wireless protocol independently. Configuration is typically done through AT commands or API calls within your application code on the M4 core.

Can I attach an external antenna to improve wireless range?

Yes. The board includes a U.FL (IPEX) connector for an external 2.4GHz antenna. You must first disable the onboard PCB antenna in your RF configuration software (often via a GPIO pin or firmware setting). Then, connect a compatible 50-ohm antenna (e.g., a 2.4GHz dipole with U.FL plug) to significantly increase transmission distance and signal reliability for long-range BLE or mesh applications.

What is the power consumption in typical BLE beaconing mode?

Power consumption varies based on RF mode and sleep configuration. In BLE advertising mode with moderate intervals, expect currents in the low milliampere range. For deep sleep with RTC running, consumption can drop to microamps. Precise measurements require using the low-power modes (Stop 2, Standby) available in the STM32WB55 and are detailed in the MCU's datasheet and application notes from STMicroelectronics.

Which development environments and SDKs are supported?

Primary support is through STMicroelectronics' STM32CubeWB MCU Package, which includes HAL libraries, BLE/Zigbee/Thread middleware, and examples for STM32CubeIDE. You can also use Arduino Core for STM32 via the STM32duino project with limited wireless stack access. For professional development, IAR Embedded Workbench and Keil MDK are fully supported with dedicated packs and examples from ST.

Package Includes

  • 1 x STM32WB55CGU6 Evaluation Board
  • 1 x Transparent Plastic Storage Box

Additional Information

Weight 0.05 kg
Dimensions 11 × 17 × 7 cm

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