Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Brand | Ai-Thinker |
| Model Number | NodeMCU-BU01 |
| Technology | Ultra-Wideband (UWB) |
| Ranging Precision | ±10 cm |
| Communication Range | Short-range Indoor |
| Microcontroller | ESP32 Compatible |
| Interface | UART, SPI, GPIO |
| Power Supply | 3.3V - 5V DC |
| Application | Indoor Positioning & Asset Tracking |
| Package Type | Development Board |
Anonymous
Mar 30, 2026
Rating: 5/5
Excellent precision for indoor projects
I used this board for a warehouse tracking prototype and the 10cm accuracy is impressive. Setup with the ESP32 environment was straightforward.
Anonymous
Mar 28, 2026
Rating: 4/5
Great hardware, documentation could be better
The module works as advertised regarding ranging capabilities. However, finding detailed pinout diagrams required some digging in community forums.
Anonymous
Mar 07, 2026
Rating: 5/5
Reliable for industrial prototyping
Bought a batch for our makerspace. Users find it easy to program and the build quality feels solid for repeated use in workshops.
Anonymous
Mar 02, 2026
Rating: 3/5
Works well but range is limited
Precision is high, but remember this is strictly short-range. Do not expect it to work through thick concrete walls, but that is expected for UWB.
Anonymous
Mar 01, 2026
Rating: 4/5
Good value for learning UWB
As a student project, this board provided a great introduction to UWB technology without breaking the bank. Ranging is consistent within line of sight.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for robotics navigation
We integrated four of these nodes for our robot localization system. The latency is low and the data is stable even with minor obstacles.
Q: Can this be powered via USB?
A: The board features a USB interface for programming and can be powered via the USB port, though external 3.3V-5V supply is recommended for stable operation during heavy transmission.
Q: Does this board come with antennas included?
A: Yes, the NodeMCU-BU01 comes with onboard PCB antennas suitable for UWB frequencies.
Q: What is the maximum number of nodes supported in a single network?
A: Theoretically, you can support many nodes, but practical performance depends on your specific firmware implementation and airtime management. Most users successfully manage 10-20 nodes.
Q: Is this compatible with Arduino IDE?
A: Yes, since it is based on an ESP32-compatible architecture, you can program it using the Arduino IDE with the appropriate board manager packages.
Q: Does it support Two-Way Ranging (TWR)?
A: Yes, the hardware supports Two-Way Ranging protocols, which are essential for achieving the high-precision distance measurements advertised.
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