SKU: SENS-1051
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WTMotion WT901WIFI 9-Axis WiFi AHRS Sensor, ±16g Accel, ±2000°/s Gyro, 0.05°/0.1° Accuracy, 3.3~5V, TCP/UDP Output

₹2,679.00 (Inclusive of all taxes)
Out of Stock

The WTMotion WT901WIFI is a compact 9-axis AHRS sensor module integrating a 3-axis accelerometer, gyroscope, and magnetometer with a high-fusion algorithm. It provides real-time orientation, acceleration, and angular velocity data via 2.4GHz WiFi TCP/UDP communication, compatible with 3.3V and 5V systems for robotics, drones, and motion tracking applications.

Features

  • 9-axis sensor fusion delivers high-accuracy attitude (0.05° static, 0.1° dynamic) and motion data.
  • Wireless 2.4GHz WiFi connectivity with TCP/UDP protocol supports real-time data streaming up to 200Hz.
  • Wide measurement ranges: ±16g acceleration and ±2000°/s angular velocity for dynamic motion capture.
  • Integrated 3.7V 260mAh rechargeable battery and Type-C charging for portable, untethered operation.
  • Compact, lightweight design (51.5 x 36.1 x 15mm, ~20g) suitable for integration into mobile platforms.

Out of stock

Description

The WT901WIFI AHRS sensor employs a sophisticated 9-axis fusion algorithm that combines data from its MEMS accelerometer, gyroscope, and magnetometer to compute precise orientation angles (roll, pitch, yaw), linear acceleration, and angular velocity. This sensor fusion corrects for individual sensor drift and magnetic interference, providing stable and accurate attitude estimation essential for navigation and stabilization systems.

Communication is handled via an onboard 2.4GHz WiFi module, outputting a comprehensive data packet over TCP or UDP protocols. The module supports configurable output rates from 1Hz to 200Hz, allowing a balance between data resolution and bandwidth. Its internal battery enables portable operation for approximately 3 hours, making it ideal for field-deployed robotics, unmanned aerial vehicles (UAVs), and wearable motion analysis devices.

Key Features

  • High-Precision AHRS: Integrates accelerometer, gyroscope, and magnetometer with advanced Kalman filter fusion for accurate 3D orientation.
  • Configurable Wireless Output: 2.4GHz WiFi supports TCP/UDP client/server modes with user-selectable data rates from 1Hz to 200Hz.
  • Extended Dynamic Range: Accelerometer covers ±16g for high-G maneuvers; gyroscope spans ±2000°/s for rapid rotational tracking.
  • Onboard Power Management: Features a built-in 260mAh Li-Po battery with Type-C charging and low-power circuitry for extended field use.
  • Rich Data Output: Transmits device ID, timestamp, raw sensor data (accel, gyro, mag), fused angles, temperature, battery level, and signal strength.
  • Robust Mechanical Design: Compact PCB assembly housed in a durable casing, optimized for vibration-prone environments.

Applications

  • Autonomous drone and UAV flight stabilization and navigation systems.
  • Robotic arm and mobile robot orientation sensing and inertial navigation.
  • Wearable motion capture and biomechanical analysis for sports science.
  • Virtual Reality (VR) and Augmented Reality (AR) headset tracking.
  • Marine and automotive platform attitude and heading reference systems.

Technical Specifications

ModelWT901WIFI
Sensor Type9-Axis IMU / AHRS (Accelerometer, Gyroscope, Magnetometer)
Accelerometer Range±16g
Gyroscope Range±2000°/s
Magnetometer Range±4912 μT (Integrated)
Angle Range (Roll/Pitch/Yaw)X, Z: ±180°; Y: ±90°
Static Accuracy (XY Axis)0.05°
Dynamic Accuracy (XY Axis)0.1°
Operating Voltage3.3V ~ 5V DC (via internal battery regulation)
Battery3.7V 260mAh Li-Po (Rechargeable)
Battery Life (Continuous)Approx. 3 hours
Charging InterfaceUSB Type-C
Communication Interface2.4GHz IEEE 802.11 b/g/n WiFi
Communication ProtocolTCP / UDP
Data Output RateConfigurable, 1Hz to 200Hz (Default: 10Hz)
Output DataDevice ID, Timestamp, 3-axis Accel, 3-axis Gyro, 3-axis Mag, 3-axis Angle, Temperature, Battery, Signal, Version
Dimensions (L x W x H)51.5 x 36.1 x 15 mm
WeightApprox. 20 g

Frequently Asked Questions

What is the operating voltage range for the WT901WIFI sensor?

The module is powered by its internal 3.7V 260mAh Li-Po battery. The charging and internal regulation circuitry accepts a standard 5V input via the USB Type-C port. The sensor electronics themselves operate on 3.3V logic, derived from the onboard regulator.

How do I connect and receive data from this WiFi AHRS sensor?

The sensor creates its own WiFi access point. Connect your computer or microcontroller (e.g., ESP32, Raspberry Pi) to this network. You can then open a TCP or UDP socket to the sensor's default IP address and port to receive the streaming data packet containing acceleration, gyro, magnetometer, and fused angle data.

Can the output data rate be configured?

Yes, the transmission frequency is configurable from 1Hz to 200Hz. The default setting is 10Hz. Configuration is typically done by sending specific command strings to the sensor via its TCP/UDP interface, as detailed in the manufacturer's communication protocol documentation.

What is the typical battery life during continuous operation?

With the built-in 260mAh battery and an average current draw of ≤80mA, the sensor provides approximately 3 hours of continuous wireless operation at the default 10Hz output rate. Higher output frequencies will increase power consumption and reduce runtime accordingly.

Is the magnetometer calibrated, and how does it affect heading accuracy?

The module includes factory calibration for the magnetometer. However, for precise heading (yaw) accuracy, a user-performed magnetic calibration in the final application environment is recommended to compensate for local hard and soft iron distortions caused by nearby metals and electronics.

Package Includes

  • 1 x WTMotion WT901WIFI 9-Axis WiFi AHRS Sensor Module

Additional Information

Weight 0.02 kg
Dimensions 5.15 × 3.61 × 1.5 cm