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1. Product Introduction
▫️ Overview
BU Series
- BU01 is an Ultra-Wideband (UWB) module designed by Shenzhen Ai-Thinker Co., Ltd. based on Decawave's DW1000 series chips. It integrates an antenna, RF circuit, power management, and clock circuit. BU01 can be used in two-way ranging or TWR positioning systems, achieving a positioning accuracy of up to 10 centimeters and supporting a data rate of up to 6.8 Mbps.
- BU03 is an Ultra-Wideband (UWB) module designed by Shenzhen Aithinker Technology Co., Ltd. based on Decawave's DW3000 series chips. BU03 integrates an onboard ceramic antenna, RF circuit, and power management. It can be used in two-way ranging, TDOA, or PDOA positioning systems, achieving a positioning accuracy of up to 10 centimeters and supporting a data rate of up to 6.8 Mbps.
- BU04 is a dual-antenna Ultra-Wideband (UWB) module designed by Shenzhen Aithinker Technology Co., Ltd. based on Decawave's DW3000 series chips. BU04 integrates DW3000 + STM32F103 MCU and supports dual onboard antennas or dual IPEX connectors for external antennas. It can be used in two-way ranging, TDOA, or PDOA positioning systems, achieving a positioning accuracy of up to 10 centimeters and supporting a data rate of up to 6.8 Mbps.
▫️ Selection Table
Type
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Parameter
| Product Image |
| Wireless Protocol |
| Chip |
| Module Flash Size (Mbits) |
| Frequency Band (MHz) |
| Package |
| Dimensions (L×W×H) (mm) |
| Operating Temp Range (℃) |
| Storage Temp Range (℃) |
| Antenna Type |
| Interface |
| Available GPIO |
| Min Voltage (V) |
| Max Voltage (V) |
| Typical Voltage (V) |
| Max Current (mA) |
| Rx Current (mA) |
| Standby Current (μA) |
| Sleep Current (μA) |
| Certifications |
| Max TX Power (dBm) |
| Modulation |
| Max Distance (m) |
| Protocol Support |
2. Datasheets, PCB Footprint, Schematic
| Module Name | Datasheet | PCB Footprint | Schematic Diagram |
|---|---|---|---|
| BU01 | View | Download | - |
| BU03 | View | Download | - |
| BU04 | View | Download | View Diagram |
| NodeMCU-BU01-Kit | View | - | - |
| BU03-Kit | View | - | View Diagram |
| BU04-Kit | View | - | View Diagram |
3. Firmware and Development Guide
🔹 BU01
| Resource Type | Link |
|---|---|
| Development Board Factory Firmware AT Command Set | View |
| Development Board Positioning Test Distance | Click to View |
| Development Board Factory Firmware STM32 Source Code | Click to download |
🔹 BU03
| Module Model | Firmware ID | Firmware Description | Version | Download Link | AT Command Reference | Host Software |
|---|---|---|---|---|---|---|
| BU03 | 2717 | Standard AT Firmware | V1.0.0 | Download | View Docs | • TWR Algorithm • PDOA Algorithm |
| Resource Type | Link |
|---|---|
| FAQ | Click to View |
| Development Materials Summary | Click to download |
| Test Guide | Click to View |
| Accuracy Calibration Coefficient Calculation Template | Click to download |
| Secondary Development Online Guide Document | Click to View |
| Secondary Development SDK | Click to download ; Extraction code: oh0s |
🔹 BU04
| Module Model | Firmware ID | Firmware Description | Version | Download Link | AT Command Reference | Host Software |
|---|---|---|---|---|---|---|
| BU04 | 2717 | Standard AT Firmware | V1.0.0 | Download | View Docs | • TWR Algorithm • PDOA Algorithm |
| Resource Type | Link |
|---|---|
| FAQ | Click to View |
| Development Materials Summary | Click to download |
| Test Guide (Brief) | Click to View |
| Test Instructions Blog Post | Click to View |
| Accuracy Calibration Coefficient Calculation Template | Click to download |
| Secondary Development Online Guide Document | Click to View |
| Secondary Development SDK | Click to download ; Extraction code: oh0s |
4. Test Report
▫️ Power Consumption Test Report
| Module | Test Report |
|---|---|
| BU01 | View |
| BU03 | View |
| BU04 | View |
5. Certification Related
▫️ Certification Certificate
- Series Certification Certificate: Click to View