Ai-Thinker BU04-Kit UWB Positioning Development Board
The BU04-Kit is a cutting-edge dual-antenna ultra-wideband (UWB) development board designed by Ai-Thinker Co., Ltd. Built around the BU04 module, it integrates the DW3000 UWB transceiver and STM32F103 MCU, offering exceptional precision and flexibility. This board supports dual onboard PCB antennas or dual IPEX external antennas, making it adaptable to a variety of setups. Ideal for bidirectional ranging, Time Difference of Arrival (TDOA), or Phase Difference of Arrival (PDOA) positioning systems, it delivers positioning accuracy up to 10 cm and supports data rates up to 6.8 Mbps. The BU04-Kit is perfect for applications requiring high-precision indoor positioning, such as hospital personnel management, warehouse logistics, and more.
Features
- DIP-40 Package: Compact and easy to integrate into your projects.
- UWB Standards Compliance: Meets IEEE 802.15.4-2015 and IEEE 802.15.4z (BPRF mode).
- Dual Antenna Support: Enhances performance with dual channels.
- Frequency Channels: Operates on Channel 5 (6489.6 MHz) and Channel 9 (7987.2 MHz).
- Simplified Design: No RF secondary design required.
- Antenna Options: Onboard PCB antenna with IPEX external antenna compatibility.
- Integrated MAC Function: Streamlines communication processes.
- RTLS Compatibility: Extends range using Real-Time Location System infrastructure.
- High Data Rates: Supports 850 Kbps and 6.8 Mbps.
- Positioning Schemes: Two-way ranging, TDOA, and PDOA supported.
- Precision Positioning: Achieves 10 cm accuracy.
- High Label Density: Suitable for tracking multiple devices.
- Security: Features integrated HW AES 256 encryption.
- Flexible Connectivity: SPI, UART, and I2C interfaces.
- Onboard MCU: STM32F103 for powerful processing.
- Adjustable Power: Programmable transmit power control.
- Power Options: USB Type-C or pin headers (3.3V or 5V).
Specifications
| Parameter | Value |
|---|---|
| Model | BU04-Kit |
| Total No.OF PINS | 40 |
| Dimensions | 46 × 63.5 mm |
| Antenna | Onboard PCB antenna, IPEX compatible |
| Center Frequencies | Channel 5: 6489.6 MHz Channel 9: 7987.2 MHz |
| Channel Bandwidth | 499.2 MHz |
| Operating Temperature | -40°C to 85°C |
| Power Supply | USB Type-C or pin headers (3.3V or 5V), ≥500 mA |
| Interfaces | SPI, UART, I2C |
| Built-in MCU | STM32F103 |
| Supply Voltage | VDD1: 1.7V to 3.6V 3V3: 2.5V to 3.6V |
Applications
- Precision Positioning: High-accuracy location tracking for industrial and commercial use.
- Hospital Management: Track staff, patients, and assets in real-time.
- Warehouse Logistics: Optimize storage positioning and inventory management.
- Indoor Navigation: Enable tracking and navigation in complex indoor environments.
- Robotics & Drones: Enhance autonomous navigation capabilities.
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