Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	9-Axis IMU (Accelerometer, Gyroscope, Magnetometer)
Communication Interface	UART, I2C, CAN
Operating Voltage	3.3V - 5V DC
Data Update Rate	Up to 200Hz
Algorithm	Built-in Kalman Filter
Dimensions	23mm x 17mm x 4mm
Weight	3.5 grams
Working Temperature	-40°C to +85°C
Output Data	Angle, Angular Velocity, Acceleration, Magnetic Field
Compatibility	Arduino, STM32, Raspberry Pi, ESP32

6 reviews

Anonymous

Mar 26, 2026

Rating: 5/5

Best in class for the price

I have purchased ten of these for a university lab. Consistency between units is high, and the support team provided the register map quickly when I asked.

Anonymous

Mar 26, 2026

Rating: 4/5

Great value, minor documentation gaps

Hardware works flawlessly and the price is unbeatable. The UART protocol is straightforward, but I wish the English manual had more examples for the CAN bus interface.

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for my DIY drone project

The Kalman filter integration makes a huge difference. The angle data is stable and smooth right out of the box. Much easier to work with than raw MPU6050 modules.

Anonymous

Mar 20, 2026

Rating: 5/5

Reliable attitude estimation

Using this for a balancing robot. The drift is minimal thanks to the onboard processing. Saves a lot of CPU cycles on my microcontroller since I don't need to run the fusion algorithm myself.

Anonymous

Mar 10, 2026

Rating: 4/5

Good but needs careful mounting

Performance is excellent once mounted correctly. Make sure to isolate it from motor vibrations if you are using it on a vehicle, otherwise, the accelerometer readings get noisy.

Anonymous

Mar 02, 2026

Rating: 5/5

Solid build quality

I've tested this against a much more expensive industrial sensor, and the results are surprisingly close for hobbyist applications. The magnetic calibration was easy to perform.

5 FAQ

Q: Can I power this directly from a 5V USB source?

A: Yes, the module supports a wide input voltage range of 3.3V to 5V, so connecting it directly to a 5V USB pin is safe and recommended.

Q: Do you provide a Python library for reading data on Raspberry Pi?

A: Yes, we host a basic Python example script on our GitHub repository that demonstrates how to read data via I2C and UART on Raspberry Pi and other Linux-based systems.

Q: Is the magnetometer affected by nearby motors?

A: Like all magnetic sensors, it can be influenced by strong electromagnetic fields. We recommend mounting the sensor away from motors and power cables, or performing dynamic calibration in your software.

Q: What is the default baud rate for UART communication?

A: The factory default baud rate is 115200 bps. This can be changed to other standard rates like 9600 or 57600 using our configuration tool or by sending specific command frames.

Q: Does this module require an external microcontroller to calculate the tilt angle?

A: No, the JY901S has an onboard processor that runs the Kalman filter algorithm. It outputs the calculated angles directly via UART or I2C, saving your main MCU resources.

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