Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Options | AS201 (10-Axis), AS201-9 (9-Axis), AS201-6 (6-Axis) |
| Communication Interface | UART / TTL Serial |
| Operating Voltage | 3.3V - 5.0V DC |
| Data Update Rate | Up to 200Hz |
| Built-in Sensors | 3-Axis Gyro, 3-Axis Accelerometer, 3-Axis Magnetometer, Barometer |
| Output Data | Roll, Pitch, Yaw, Quaternion, Linear Acceleration |
| Static Accuracy | Roll/Pitch: ±0.1°, Yaw: ±0.3° |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 25mm x 25mm x 3.5mm |
| Application Scope | UAVs, Robotics, Stabilization Systems, VR Devices |
Anonymous
Mar 30, 2026
Rating: 5/5
Perfect for camera gimbals
Used this for a 3-axis camera gimbal. The low latency and high update rate make the footage incredibly smooth. The magnetometer calibration routine included in the firmware works well after the initial setup.
Anonymous
Mar 27, 2026
Rating: 5/5
Excellent stability for custom UAVs
I integrated the 10-axis version into my custom racing drone frame. The yaw hold is significantly better than my previous MPU6050 setup. The UART output is clean and easy to parse with my flight controller code.
Anonymous
Mar 26, 2026
Rating: 5/5
Professional grade performance
Impressed by the static accuracy specs. Compared it against a much more expensive tactical grade IMU, and for general navigation purposes, the Hi-Link AS201 holds up remarkably well.
Anonymous
Mar 21, 2026
Rating: 4/5
Good value for money
For the price, you get a lot of functionality. The 9-axis mode is sufficient for most hobby projects. Just ensure your logic level converter is set correctly if running at 3.3V.
Anonymous
Mar 11, 2026
Rating: 4/5
Great precision, documentation could be better
The sensor data is very stable even with motor vibration. However, the protocol manual was a bit sparse on error codes. Once I figured out the checksum calculation, it worked flawlessly for our balancing robot project.
Anonymous
Mar 04, 2026
Rating: 5/5
Robust and reliable
We deployed ten of these modules in an industrial monitoring system. They have been running 24/7 for three months without drift issues or crashes. The temperature compensation seems very effective.
Q: Does this module support I2C communication?
A: No, the AS201 series primarily supports UART/TTL serial communication for data output. Please check the pinout diagram in the datasheet for TX/RX connections.
Q: How do I perform magnetometer calibration?
A: Calibration is done by sending specific command strings via UART while rotating the device in all directions. Detailed step-by-step instructions are available in the 'Calibration Guide' section of the user manual.
Q: Can this be used directly with Arduino Uno?
A: Yes, but since the module operates at 3.3V logic levels, you should use a logic level converter when connecting to the 5V Arduino Uno TX/RX pins to prevent damage.
Q: Is there a Python library available for parsing the data?
A: We do not provide an official Python library, but the protocol is open. Many users have created open-source parsers available on GitHub that work well with Raspberry Pi and standard PCs.
Q: What is the difference between the AS201-6 and AS201-10?
A: The AS201-6 provides 6-axis data (Gyro + Accelerometer). The AS201-10 includes the 6-axis sensors plus a 3-axis Magnetometer and a Barometric Pressure sensor for full attitude and altitude estimation.
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