---
product_id: 88918373
title: "[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module"
brand: "witmotion"
price: "HK$431"
currency: HKD
in_stock: true
reviews_count: 10
category: "Witmotion"
url: https://www.desertcart.hk/products/88918373-arduino-accelerometer-sensor-inclinometer-wt901-high-accuracy-3-axis-acceleration
store_origin: HK
region: Hong Kong
---

# 9-axis sensor fusion @ 200Hz Dual I2C & UART interfaces Kalman filtering for ultra-stable data [Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module

**Brand:** witmotion
**Price:** HK$431
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your projects with pinpoint motion sensing mastery!

## Quick Answers

- **What is this?** [Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module by witmotion
- **How much does it cost?** HK$431 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/88918373-arduino-accelerometer-sensor-inclinometer-wt901-high-accuracy-3-axis-acceleration)

## Best For

- witmotion enthusiasts

## Why This Product

- Trusted witmotion brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lifetime Support:** 12-month warranty + expert help whenever you need
- • **Rock-Solid Stability:** Kalman algorithm ensures low noise & bias stability
- • **Plug & Play Simplicity:** Out-of-the-box ease with rich tutorials & demos
- • **Versatile Connectivity:** Seamlessly integrates via I2C or UART protocols
- • **Precision Beyond Compare:** 0.05° accuracy with Cortex-M0 & MEMS tech

## Overview

The WITMOTION WT901 is a compact, high-precision 9-axis IMU sensor module combining accelerometer, gyroscope, magnetometer, and inclinometer data with advanced Kalman filtering. Operating at up to 200Hz, it delivers ultra-stable, low-noise measurements with 0.05° accuracy, featuring dual I2C and UART interfaces for seamless integration with Arduino, Raspberry Pi, and other platforms. Backed by professional-grade support and comprehensive tutorials, it’s the go-to choice for engineers and makers demanding reliable motion sensing in compact form.

## Description

Product description IMU High Precision Sensor The Superiority of AHRS IMU High Precision Sensor WT901’s scientific name is the AHRS IMU sensor. A sensor measures 3-axis angle, angular velocity, acceleration, magnetic field. WitMotion WT901 integrates a high-precision gyroscope, accelerometer, and geomagnetic field sensor, and adopts a high-performance microprocessor, advanced dynamics fusion algorithm, and Kalman dynamic filtering algorithm to quickly analyze the module's current real-time motion posture. WITMOTION Attitude Sensor Series WT901 Accelerometer WT901BLECL Inclinometer WT901C-TTL Digital Sensor Military-grade HWT901B WTGAHRS2 GPS IMU

## Features

- 【 High Performance 】Rock-solid data output: 3-axis XYZ (Pitch Roll Yaw) Acceleration+ Gyro+ Angle+ Magnetic field+Quaternion, measurement range and output rate ( 0.2-200Hz) selectable
- 【 Robust Design 】 Cortex-M0 core processor, highly-integrated MEMS, and Kalman Algorithm combine to deliver measurement accuracy at 0.05 degree(X, Y-axis), small in size, diverse interface, professional for customer's integration project
- 【 WITMOTION Advantage 】8-year Professional Attitude Measuring Solution Provider, sensors integrated R&D dynamic fusion algorithm and Kalman Filtering ensuring stable data output and excellent bias stability, low noise level, increasing measurement accuracy
- 【 Worry-free Support 】12-month warranty, lifetime friendly customer service by WitMotion team. Option 1. The tutorial link is printed on the guiding card inside the package. Option 2. search wit-motion(dot)com and download the complete tutorial. Option 3. contact us if you need any help, support (at) wit-motion (dot) com
- 【 What You Get 】1 x WitMotion WT901 TTL Accelerometer sensor+ 2* Six pin male header (1x6) +1 x Welcome guide (USB-UART converter not included )

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07GBRTB5K |
| Additional Features | High-Precision 9-Axis Accelerometer Sensor, Robust Design, Low Power Wake-Up, Easy Integration |
| Aspect Ratio | 16:9 |
| Best Sellers Rank | #92,724 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #25 in Acceleration Sensors |
| Brand | WITMOTION |
| Built-In Media | Monitor |
| CPU Model | 68000 |
| CPU Model Number | WT901 |
| CPU Speed | 1 GHz |
| Color | Black |
| Compatible Devices | USB-connected devices |
| Connectivity Technology | USB |
| Cooling Method | Water |
| Customer Reviews | 4.1 out of 5 stars 54 Reviews |
| Display Resolution Maximum | 60x60 |
| Display Type | LED |
| Graphics Card Description | Dedicated |
| Graphics Card Interface | Integrated |
| Graphics Coprocessor | Integrated Graphics |
| Graphics Description | Dedicated |
| Graphics Ram Type | Shared |
| Hard Disk Description | HDD |
| Hard Disk Interface | PCIE x 4 |
| Hardware Interface | USB |
| Human-Interface Input | Buttons |
| Item Dimensions | 0.6 x 0.08 x 0.6 inches |
| Keyboard Layout | QWERTY |
| Manufacturer | WitMotion |
| Memory Storage Capacity | 1 TB |
| Model Name | WT901 |
| Model Number | WT901 |
| Model Year | 2014 |
| Native Resolution | 12-bit |
| Number of Component Outputs | 1 |
| Operating System | Windows |
| Personal Computer Design Type | Barebone |
| Power Plug Type | No Plug |
| Processor Brand | Intel or AMD |
| Processor Count | 1 |
| Processor Series | 68000 |
| Processor Socket | LGA 1151, AM4 |
| Processor Speed | 1 GHz |
| RAM Memory Installed | 1 GB |
| RAM Memory Technology | DDR4 |
| RAM Type | DDR SDRAM |
| Ram Memory Maximum Size | 16 GB |
| Resolution | 12bit |
| Specific Uses For Product | Professional |
| Style Name | Minimalist |
| Total Expansion Slots Quantity | 4 |
| Total Usb Ports | 1 |
| UPC | 756040155933 713752278114 |
| Video Output | HDMI |
| Video Output Interface | USB |
| Video Processor | TDK Corporation |
| Wireless Compability | Bluetooth |
| Wireless Network Technology | Wi-Fi |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** WITMOTION
- **CPU Model:** 68000
- **CPU Speed:** 1 GHz
- **Graphics Card Description:** Dedicated
- **Graphics Coprocessor:** Integrated Graphics
- **Memory Storage Capacity:** 1 TB
- **Operating System:** Windows
- **Personal computer design type:** Barebone
- **Ram Memory Installed Size:** 1 GB
- **Specific Uses For Product:** Professional

## Images

![[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module - Image 1](https://m.media-amazon.com/images/I/51k3AjMwOYL.jpg)
![[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module - Image 2](https://m.media-amazon.com/images/I/61AaU5H7Z9L.jpg)
![[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module - Image 3](https://m.media-amazon.com/images/I/61zsBF+SyEL.jpg)
![[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module - Image 4](https://m.media-amazon.com/images/I/71jL3FM3rYL.jpg)
![[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module - Image 5](https://m.media-amazon.com/images/I/61tZv254vWL.jpg)

## Questions & Answers

**Q: Where is the code to interface to Arduino as promised above?**
A: I gave up and sent it back. Customer support was non existent. Well, they responded, but the communication gap was so great, I never received an answer.

**Q: Does this unit support external GPS !?**
A: No

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***. on March 15, 2023*



### ⭐⭐⭐⭐⭐ Review
*by A***R on June 12, 2023*



### ⭐⭐⭐⭐ Review
*by S***N on January 4, 2024*



## Frequently Bought Together

- [Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module
- HiLetgo 3pcs GY-521 MPU-6050 MPU6050 3 Axis Accelerometer Gyroscope Module 6 DOF 6-axis Accelerometer Gyroscope Sensor Module 16 Bit AD Converter Data Output IIC I2C for Arduino
- WitMotion USB-UART Converter 3-in-1 Multifunctional Serial Adapter, with CH340 Chip, Compatible with Windows 7/8/10, Linux, Arduino, 300-1.5 Mbps Baud Rates, 12-Month Warranty

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-05-06*