Ai-Thinker NodeMCU-BU01 / BU-01 UWB Development Board for Indoor Positioning

NodeMCU-BU01 is designed as a development board for the BU01 module, equippedwith STM32F103C8T6MCU, peripherals to add temperature and humidity sensorsandthree-dimensional acceleration sensor, for customers to develop debuggingtoprovide convenience.BU01 is an ultra-wideband (UWB) transceiver module basedonDecawave DW1000 design. BU01 integrated the antenna, RF circuit, power managementand clock circuits. BU01 can be used in bidirectional ranging or TDOA positioningsystems, Positioning accuracy up to 10cm, and supports data rates up to 6.8Mbps.

The NodeMCU-BU01 is a compact and powerful ultra-wideband (UWB) development board engineered by Shenzhen Ai-Thinker Technology Co., Ltd. Based on the Decawave DW1000 UWB transceiver and integrated with the STM32F103C8T6 microcontroller, this board offers a robust platform for real-time location systems (RTLS), IoT applications, and embedded development.

Designed with built-in temperature, humidity, and 3D acceleration sensors, the NodeMCU-BU01 enables developers to prototype and test their applications with ease. The integrated PCB antenna, power management system, and SPI interface make the module highly versatile and easy to embed into larger systems.

Key Features:

• High-precision UWB positioning accuracy up to 10 cm

• Supports bi-directional ranging and TDOA (Time Difference of Arrival) systems

• Compatible with IEEE 802.15.4-2011 UWB standards

• Operates across 4 channels from 3.5 GHz to 6.5 GHz

• Data rates of 100 kbps, 850 kbps, and 6.8 Mbps

• Sleep mode current < 1mA, ideal for low-power applications

• Powered via 3.3V or 5V, with standard Micro USB or pin header options

• Designed for easy RF integration with minimal hardware design overhead

Hardware Overview:

• Microcontroller: STM32F103C8T6

• Module Dimensions: 35mm x 55.5mm (±0.2mm)

• Package Type: DIP-40

• Interfaces: SPI, UART, I2C, PWM, GPIOs

• Operating Temp Range: -40℃ to +85℃

• Pin Count: 50 with dedicated UART, SPI, Reset, Wakeup, and Boot pins

Applications:

• Indoor Navigation Systems

• Industrial Asset Tracking

• Smart Robotics

• IoT Device Communication

• Proximity-Based Access Control

Why Choose NodeMCU-BU01?

This development board is tailor-made for precision-based UWB projects, offering unparalleled ease of integration, low-power operation, and high data throughput. Its compatibility with STM32 environments and industry-standard communication protocols make it an ideal solution for developers building the next generation of location-aware IoT systems.

For Detailed Description Please visit the Manufacturers Link here: Node MCU BU01

Download The Data Sheet: Datasheet

Please Note: The images are for representation only. The actual Product may differ slightly in appearance.

Related UWB Modules

Compare this product with related UWB modules and development boards available from Robosap.

• Ai-Thinker BU-01 bare UWB module
• Ai-Thinker BU03 DW3000 UWB module
• Radar and UWB modules category

Downloads and Documentation

Use these manufacturer or reference documents to verify specifications, pin details, firmware support and integration requirements before designing your system.

• Ai-Thinker UWB documentation hub
• Ai-Thinker BU01 product page
• NodeMCU-BU01 specification mirror

Documents may be updated by the manufacturer. Always confirm critical electrical and mechanical details with the latest official documentation before production use.

Product Disclaimer

Images are for representation only. Actual product appearance, PCB marking, connector style, antenna layout, colour, pin-header configuration or included accessories may vary depending on the available production batch. Product description information listed here is collected from different internet sources, manufacturer pages, datasheets and reference documents, and may contain mistakes or become outdated. Always verify critical electrical, mechanical, firmware and safety details from the latest official manufacturer documentation before design, production or field installation.

Radar, mmWave and UWB sensing performance depends on firmware, configuration, power supply quality, installation height, antenna direction, enclosure material, target size, target movement, reflections, interference, line-of-sight and surrounding environment. Distance, angle, accuracy and current values are reference values unless explicitly guaranteed by the latest manufacturer datasheet for the exact supplied revision.