Ai-Thinker BU01 DW1000 UWB Positioning Module
The Ai-Thinker BU01 DW1000 UWB Positioning Module is a cutting-edge solution designed for high-precision indoor positioning and ranging, leveraging Ultra-Wideband (UWB) technology to deliver exceptional accuracy of up to 10 cm. This module is ideal for applications requiring precise location tracking, such as real-time location systems (RTLS), asset tracking, indoor navigation, and proximity detection. Powered by the Decawave DW1000 chip, a leading UWB transceiver, the BU01 integrates an on-board PCB antenna, RF circuits, power management, and clock circuits, providing a compact and efficient design for seamless integration into various IoT projects.
Features:
- Simple integration without RF design.
- Using RTLS infrastructure to expand communication range.
- Super multipath fading has strong anti-interference ability.
- Support high label density.
- Compliant with IEEE 802.15.4-2011 UWB standard.
- Supports 3.5 GHz to 6.5 GHz operating frequency band.
- Programmable transmit power.
- Power 2.8 V to 3.6 V.
- Power consumption <1mA in sleep mode.
- Support two-way ranging and TDOA.
- Support SPI interface.
- Data rate: 110 kbps, 850 kbps, 6.8 Mbps.
Specifications:
| Specification | Details |
|---|---|
| Model Name | BU01 |
| Size | 23mm × 13mm × 2.9mm(±0.2) mm |
| Antenna | PCB antenna |
| Frequency Range | 3.5 GHz – 6.5 GHz |
| Working Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +125°C (< 90% RH) |
| Power Supply | 2.8V – 3.6V (Default: 3.3V), Current >200mA |
| Interface | SPI |
Pin Configuration:
| Pin No. | Name | Function Description |
|---|---|---|
| 1 | EXTON | External device enable (active during wake-up, inactive in sleep mode to control external DC-DC converters) |
| 2 | WAKEUP | Active high to wake DW1000 from sleep/deep sleep (can be grounded if unused) |
| 3 | RSTn | Active-low reset pin (can be driven low by external open-drain driver) |
| 4 | IO7 | Default: SYNC input. Reconfigurable as GPIO7 |
| 5,6,7 | VCC | 3.3V power supply |
| 8 | GND | Ground |
| 9 | IO6 | Power-up: SPI PHA (Phase Select). Default: General-purpose I/O |
| 10 | IO5 | Power-up: SPI POL (Polarity Select). Default: General-purpose I/O |
| 11 | IO4 | Universal I/O pin |
| 12 | IO3 | General-purpose I/O or TXLED drive pin |
| 13 | IO2 | General-purpose I/O or RXLED drive pin |
| 14 | IO1 | General-purpose I/O or SFDLED drive pin (lights on SFD detection) |
| 15 | IO0 | General-purpose I/O or RXOKLED drive pin (lights on good frame reception) |
| 16 | GND | Ground |
| 17 | CSn | SPI chip select (active-low). Can also serve as wake-up signal |
| 18 | MOSI | SPI data input |
| 19 | MISO | SPI data output |
| 20 | CLK | SPI clock |
| 21-24 | GND | Ground |
| 22 | IRQ | Interrupt request output (default: active-high). Reconfigurable as GPIO8 if unused. Floats in sleep modes. |
Application:
- Indoor navigation and positioning for precise location tracking.
- Asset tracking and management in warehouses or retail environments.
- Proximity detection and access control for secure systems.
- Real-time location systems (RTLS) for industrial or healthcare settings.
- Smart wearables and IoT devices for location-aware functionality.
Package Include:
- 1x Ai-Thinker BU01 DW1000 UWB Positioning Module.
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