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Ai Thinker BU04-Kit UWB Dev Board DW3000 STM32F103

₹2,619.00 (Inclusive of all taxes)
Out of Stock

The AI-Thinker BU04-Kit is a robust Ultra-Wideband (UWB) development board, integrating a DW3000 chip and STM32F103 MCU. It offers precise indoor positioning (up to 10 cm accuracy) via TDOA, PDOA, and two-way ranging, powered by USB-C or pins for versatile IoT applications.

Features

  • Dual-antenna UWB development board with Decawave DW3000 and STM32F103 MCU.
  • Achieves high-precision positioning up to 10 cm using TDOA, PDOA, and Two-Way Ranging.
  • Supports IEEE 802.15.4-2015/802.15.4z with data rates from 850 Kbps to 6.8 Mbps.
  • Features 20 GPIOs, AES-256 encryption, and versatile SPI/UART/I2C interfaces.
  • Flexible power supply via USB-C or 3.3V/5V pins, suitable for diverse embedded projects.

Out of stock

Description

The AI-Thinker BU04-Kit is a powerful Ultra-Wideband (UWB) development board centered around the BU04 module, which masterfully combines a DW3000 chip for UWB communication with an STM32F103 microcontroller for robust processing. This dual-antenna system, supporting both onboard PCB and external IPEX antennas, is engineered for advanced location-aware applications requiring exceptional precision. It seamlessly implements Time Difference of Arrival (TDOA), Phase Difference of Arrival (PDOA), and Two-Way Ranging (TWR) methods.

Designed to comply with IEEE 802.15.4-2015 and 802.15.4z (BPRF mode) standards, the BU04-Kit delivers high-speed data transmission up to 6.8 Mbps, enabling rapid communication in demanding environments. Its impressive positioning accuracy of up to 10 cm makes it an ideal solution for critical applications across industrial automation, healthcare monitoring, complex mining operations, and detailed indoor navigation systems. The board’s compact form factor and comprehensive interface options facilitate straightforward system integration for developers.

Key Features

  • IEEE 802.15.4-2015 and 802.15.4z (BPRF) compliant for robust UWB communication.
  • Integrated Decawave DW3000 UWB transceiver for reliable signal processing.
  • Onboard STM32F103 microcontroller provides 20 GPIOs for peripheral control.
  • Supports dual antenna configurations (onboard PCB and external IPEX) for enhanced RF performance.
  • Enables high-accuracy positioning (up to 10 cm) through TDOA, PDOA, and Two-Way Ranging algorithms.
  • Offers high-speed data rates, switchable between 850 Kbps and 6.8 Mbps.
  • Includes hardware-accelerated AES-256 encryption for secure data transmission.
  • Multiple interface options: SPI, UART, and I2C for broad compatibility.

Applications

  • High-precision indoor positioning and navigation systems.
  • Industrial asset tracking and factory automation.
  • Real-time location systems (RTLS) in healthcare environments.
  • Safety and personnel tracking in mining operations.
  • Proximity sensing and secure access control.
  • Robotics and autonomous vehicle localization.

Technical Specifications

Item TypeUWB Development Board
Model No. / NameBU04
MicrocontrollerSTM32F103
UWB TransceiverDW3000
Wireless ProtocolsUWB, IEEE 802.15.4-2015, 802.15.4z (BPRF)
Data Rate850 Kbps / 6.8 Mbps
Positioning AccuracyUp to 10 cm
GPIOs20
Antenna TypeDual PCB onboard antennas + IPEX support
Supply VoltageUSB Type-C / 3.3V or 5V (pin)
Operating CurrentMax 500mA
Operating Temperature-40°C to 85°C
Storage Temperature-40°C to 125°C (<90% RH)
InterfacesSPI, UART, I2C

Frequently Asked Questions

How do I get started with firmware development on the AI-Thinker BU04-Kit?

You can start by leveraging the STM32F103 microcontroller. Utilize the official STM32CubeIDE or Keil MDK for development. AI-Thinker often provides SDKs or example code for the BU04 module, which integrate with the DW3000 chip. These resources will guide initial setup and UWB ranging functions.

What power supply requirements does the BU04-Kit have, and what are its typical current draw characteristics?

The BU04-Kit can be powered via its USB Type-C port, or directly through its 3.3V or 5V pins. It has a maximum current draw of 500mA, particularly during active UWB ranging operations. Ensuring a stable power source is crucial for optimal performance and reliable positioning accuracy.

Can the BU04-Kit be used with external UWB antennas, and what are the benefits?

Yes, the BU04-Kit supports external UWB antennas via an IPEX connector, in addition to its onboard PCB antennas. Using external antennas can provide greater flexibility in antenna placement, improve signal propagation in challenging environments, and potentially enhance overall ranging performance or coverage area in specific deployments.

What are the key differences between TDOA, PDOA, and Two-Way Ranging modes on this UWB board?

Two-Way Ranging (TWR) measures distance between two devices. Time Difference of Arrival (TDOA) calculates position by measuring the time difference of a signal arriving at multiple anchors. Phase Difference of Arrival (PDOA) determines position based on the phase difference of signals received at dual antennas, offering higher angular precision.

Package Includes

  • 1 x Ai Thinker BU04-Kit Ultra-Wideband (UWB) Development Board

Additional Information

Weight 0.025 kg
Dimensions 7.9 × 4.6 × 5 cm