Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Brand	WitMotion
Model Number	JY901B
Axes Count	10-Axis (3-Axis Accel, 3-Axis Gyro, 3-Axis Mag, 1-Axis Baro)
Communication Interface	UART/TTL, I2C
Operating Voltage	3.3V - 5V DC
Measurement Range (Gyro)	±2000°/s
Accuracy (Angle)	0.01° to 0.05° (Dynamic)
Output Frequency	Up to 200Hz
Dimensions	24mm x 18mm x 4mm
Application	Robotics, UAVs, Balance Cars, VR Devices

6 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Best IMU in this price range

Switched from a more expensive brand to this WitMotion module and honestly can't tell the difference in performance. The barometer adds a nice touch for altitude hold features. Will buy again.

Anonymous

Mar 25, 2026

Rating: 4/5

Great hardware, software could be better

The hardware quality is top-notch and the readings are very accurate. The Windows software is a bit dated, but since most of us code in Python or C++, it doesn't matter much. Highly recommend for developers.

Anonymous

Mar 19, 2026

Rating: 5/5

Reliable and robust

We have purchased ten of these modules for our makerspace. They hold up well under constant use by students. The vibration resistance is impressive, making them suitable for motorized applications.

Anonymous

Mar 18, 2026

Rating: 5/5

Excellent precision for robotics projects

I used this sensor for a self-balancing robot and the angle data is incredibly stable. The fusion algorithm inside the module works great out of the box. Setup with Arduino was straightforward using the provided library.

Anonymous

Mar 17, 2026

Rating: 4/5

Good value, minor calibration needed

The sensor provides smooth data for my custom drone flight controller. Had to spend some time calibrating the magnetometer due to nearby metal components, but once done, the heading lock is solid. Great price point.

Anonymous

Mar 07, 2026

Rating: 5/5

Perfect for university projects

Bought this for my senior design project involving motion tracking. The 10-axis data gives us everything we need. The documentation is clear, and the support team helped me resolve a baud rate issue quickly.

5 FAQ

Q: Does this module come with connecting wires?

A: Yes, the package includes a 6-pin connector cable for easy connection to microcontrollers like Arduino or STM32.

Q: Can I change the output data rate?

A: Absolutely. You can configure the output frequency from 1Hz up to 200Hz using our configuration software or by sending specific UART commands.

Q: What is the operating temperature range?

A: The JY901B operates reliably between -40°C and +85°C, making it suitable for both indoor and outdoor environments.

Q: How do I calibrate the magnetometer?

A: You can perform an 8-figure motion calibration using our PC software. Detailed instructions are found in Chapter 4 of the user manual included in the download section.

Q: Is there a Python library available for this sensor?

A: While we provide C++ libraries for Arduino and examples for STM32, many users have developed open-source Python wrappers available on GitHub that work seamlessly with the JY901B.

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