• WitMotion WT61 IMU (MPU6050) – 6-Axis Accelerometer + Gyro with Angle Output, Kalman AHRS, TTL Serial, 20/100 Hz, 3.3–5 V for Arduino/Raspberry Pi/PC
  • WitMotion WT61 IMU (MPU6050) – 6-Axis Accelerometer + Gyro with Angle Output, Kalman AHRS, TTL Serial, 20/100 Hz, 3.3–5 V for Arduino/Raspberry Pi/PC
  • The WT61 IMU uses an ICM-42605 chip, providing 3-axis accelerometer, gyroscope, and angle data with high accuracy, operating at 3.3–5V with low power consumption.
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WitMotion WT61 IMU (MPU6050) – 6-Axis Accelerometer + Gyro with Angle Output, Kalman AHRS, TTL Serial, 20/100 Hz, 3.3–5 V for Arduino/Raspberry Pi/PC

WitMotion WT61 IMU (MPU6050) – 6-Axis Accelerometer + Gyro with Angle Output, Kalman AHRS, TTL Serial, 20/100 Hz, 3.3–5 V for Arduino/Raspberry Pi/PC

WitMotion

$37.00 USD
$37.00 USD
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Overview

The WitMotion WT61 is a 6-axis MEMS attitude sensor that outputs 3-axis acceleration, 3-axis angular velocity, and fused angle (roll/pitch/yaw). It uses a 48 MHz MCU with an embedded IMU (MPU6050, per model naming) and WitMotion’s dynamic fusion + Kalman filtering to deliver high stability, low noise, and precise angle results. The module communicates via Serial TTL and is tiny (15.24 × 15.24 × 2 mm, ~1 g), making it easy to embed in IoT devices, robots, mobile machinery, structural monitoring, consumer electronics, and VR gadgets.

Key Features

  • 3 outputs: acceleration, angular velocity, and angle (attitude).

  • Fusion algorithm: dynamic fusion + Kalman filtering; satellite-grade attitude algorithm heritage; angle accuracy 0.05° (static), 0.1° (dynamic).

  • High-quality hardware: 48 MHz core MCU, stable power chip, gold-immersion copper pads, embedded MEMS sensor.

  • Tiny & light: 15.24 × 15.24 × 2 mm, ~1 g; horizontal/vertical mounting supported.

  • Selectable data rates & baud: 20 Hz / 100 Hz return rate; 9600 / 115200 bps.

  • Android app + Windows software: real-time plotting, recording, raw data view, TXT export, 3D demo viewer, and rich configuration (bandwidth, output rate, placement, thresholds, sleep, Z-axis reset).

  • SDK & examples: Matlab, Python, Raspberry Pi, STM32, ROS, Arduino, C/C++.

  • Documentation & tools: datasheet, manual, MiniIMU.exe, CH340/CP2102 drivers, demo videos.

  • Quality & support: factory calibration report shown; RoHS, CE, ISO 9001.

Technical Specifications

Item Details
Model / Brand WT61 / WitMotion
Supply Voltage 3.3 V ~ 5 V
Current < 10 mA
Interface Serial TTL
Output Content 3-axis acceleration, 3-axis angular velocity, angle
Acceleration Range ±2/±4/±8/±16 g (adaptive)
Gyro Range ±2000 °/s
Angle Range X, Z: ±180°; Y: ±90°
Angle Accuracy X/Y static 0.05°; dynamic 0.1°
Stability (bias) Acc: 0.01 g; Gyro: 0.05 °/s; Angle (XY): 0.01°
Return Rate 20 Hz / 100 Hz
Baud Rate 9600 / 115200 bps
Acceleration Resolution ±2 g: 0.061 mg/LSB (16384 LSB/g); ±4 g: 0.12 mg/LSB (8192 LSB/g); ±8 g: 0.25 mg/LSB (4096 LSB/g); ±16 g: 0.5 mg/LSB (2048 LSB/g)
Size / Weight 15.24 × 15.24 × 2 mm (0.6″ × 0.6″ × 0.08″) / ~1 g
Operating Temp. –40 °C to +85 °C
Axis Definition Cartesian coordinates, right-hand rule
Mounting Horizontal or Vertical

Pinout & Mechanical

Board outline (mm): A = 15.24, B = 15.24, C = 2.54, D = 12.7, E = 2.
Pins:

# Name Function
1 D0 NC reserved
2 VCC 3.3–5 V
3 RT Serial data input, TTL level
4 TX Serial data output, TTL level
5 GND Ground
6 SWIM SWIM data interface
7 D2 NC reserved
8 VCC 3.3–5 V
9 SCL NC reserved
10 SDA NC reserved
11 GND Ground
12 D3 NC reserved

MCU wiring (diagram shown): TTL serial to host MCU with TX↔RX cross-connection (VCC, TX, RX, GND).

Software, Apps & Tools

  • Android App: connect via USB-to-TTL + phone OTG; real-time plots for Acc/Gyro/Angle; Record button; modules menu (3-axis / 6-axis / 9-axis / BLE5.0 / WT901-WIFI); rich Config pages (acc calibration, install direction, retrieval rate, measurement bandwidth, static detection threshold, pattern selection).

  • Windows PC (MiniIMU.exe): live attitude gauges, real-time curves (“Rock-solid Data Measurement”), Data Storage & Export (raw and parsed data to TXT/CSV-style), Config Menu (baudrate 115200, mode=Serial, direction selection, bandwidth e.g., 94 Hz, sleep, reset Z-axis to 0°).

  • 3D Demo: visualizes sensor motion; 3D source code offered (as indicated).

  • Test fixture: optional plug-and-play clamp for wiring without soldering (sold separately).

Algorithms & Performance

  • WitMotion Algorithm × Kalman Filter: derived from Aerospace Satellite Attitude Determination methods; combines kinetic fusion, digital filtering, state estimation; delivers the stated 0.05°/0.1° angle accuracy and excellent bias stability/low noise (plot and badges shown).

Typical Applications

IoT devices, environmental monitoring, building structure protection, robotics & automation, oil & energy, mobile machines, mining industry, consumer electronics, VR gadgets.

Compliance & Support

  • Certificates shown: Calibration Report, RoHS, CE, ISO 9001.

  • Comparative card notes: factory tested before shipping, SDK available, 12-month warranty, lifetime technical support from WitMotion R&D.

Notes & Accessories

  • Included: WT61 module.

  • Optional: USB-to-TTL converter, phone OTG adapter, acrylic test fixture clamp.

  • Use right-hand coordinate convention and follow the horizontal/vertical install directions shown in software for best accuracy.

Details

The WitMotion WT61 IMU offers 0.05° pitch accuracy with digital filtering, fusion algorithm, and integrated sensors.

WitMotion WT61 IMU provides 0.05deg pitch accuracy, digital filtering, fusion algorithm, and includes acceleration, gyro, angle, vibration, MCU, and filtering features.

The WitMotion WT61 IMU provides 3-axis acceleration, gyro, and angle output with high accuracy, compact size, and wide voltage/temperature range.

WitMotion WT61 IMU offers 3-axis acceleration, gyro, and angle output. It supports 3.3V-5V, low current, serial TTL, ±2/4/8/16g adaptive range, high accuracy, compact size, light weight, and wide temperature range.

The WitMotion WT61 IMU provides high precision with Kalman filtering, RoHS, CE, and ISO-9001 certifications, featuring a 48MHz MCU, MEMS sensor, stable power chip, and gold-immersed copper interface.

WitMotion WT61 IMU offers high precision with Kalman filtering, certifications include RoHS, CE, ISO-9001. Features 48MHz MCU, MEMS sensor, stable power chip, and gold-immersed copper interface.

WitMotion WT61 IMU, WitMotion uses Kalman filtering and aerospace algorithms for high-accuracy angle measurement (0.05° static, 0.1° dynamic), showing sensor fusion results over time.

WitMotion Algorithm x Kalman Filter. The WitMotion algorithm originates from the Aerospace Satellite Attitude Determination Algorithm, combined with Kalman filtering and motion dynamic fusion. Angle accuracy: X, Y-axis: 0.05° (Static), 0.1° (Dynamic). The graph displays angular data over time, with blue, red, and yellow lines representing different measurements or filtered outputs. Time stamps range from 15:21:09:210 to 15:21:15:223. The vertical axis spans from -180 to 180 degrees.

WitMotion WT61 IMU used in IoT, environmental monitoring, robotics, automation, mining, bridges, VR, and industrial applications.

WitMotion WT61 IMU for IoT, environmental monitoring, robotics, automation, mining, bridges, VR gadgets, and industrial applications.

WitMotion WT61 IMU, WitMotion IMU offers high accuracy, stability, compact size, and superior components with Kalman filtering, fusion algorithm, SDK, and 12-month warranty, outperforming competitors.

WitMotion IMU provides high accuracy, stability, compact size, superior components, SDK, factory testing, and lifetime support. It includes Kalman filtering, fusion algorithm, and a 12-month warranty, outperforming others.

The WitMotion WT61 IMU has a 12-pin layout with various ports and size details in millimeters.

WitMotion WT61 IMU features a 12-pin layout with VCC, GND, TX, RX, SCL, SDA, SWIM, and reserved ports; includes size details in mm.

The WitMotion WT61 IMU connects to smartphones via USB OTG, offering real-time sensor data like angles, acceleration, and timestamps through a multifunctional Android app with configuration and logging options.

WitMotion WT61 IMU connects via USB to OTG adapter for smartphone data viewing and recording. Multifunctional Android app displays real-time sensor data, including angles, acceleration, and timestamps, with options for configuration and data logging.

The WitMotion WT61 IMU provides easy setup, plug-and-play operation, and real-time attitude measurements with angle data.

WitMotion WT61 IMU offers easy setup, plug-and-play functionality, and real-time attitude measurements with angle readings.

The WitMotion WT61 IMU provides calibration, real-time measurements, and data export of acceleration, angular velocity, magnetic field, and raw data in TXT format.

WitMotion WT61 IMU offers calibration, real-time measurement, and data export. Displays and stores acceleration, angular velocity, magnetic field, and raw data in TXT format.

WitMotion WT61 IMU, The 3D demo visually shows sensor movement. The SDK works with Matlab, Python, Raspberry Pi, STM32, ROS, Arduino, and C++/C#. It uses a TTL serial connection with MCU, where TX and RX are connected crosswise.

3D demo displays sensor motion intuitively. SDK supports Matlab, Python, Raspberry Pi, STM32, ROS, Arduino, and C++/C#. TTL serial connection with MCU; TX and RX are cross-connected.

WitMotion WT61 IMU, A 3D demo visualizes sensor motion using car, helmet, cube, and drone models. The SDK supports Matlab, Python, Raspberry Pi, STM32, ROS, Arduino, and C++/C#. Serial connection via TTL links MCU and module with cross-connected TX and RX.

3D demo visualizes sensor motion with car, helmet, cube, and drone models. SDK supports Matlab, Python, Raspberry Pi, STM32, ROS, Arduino, and C++/C#. Serial connection via TTL links MCU and module with cross-connected TX and RX.

WitMotion WT61 IMU, IMU testing involves 3-axis turntable, vibration, temperature extremes, aging, and high-temperature assessments.

IMU testing includes 3-axis turntable, vibration sweeps, temperature extremes, aging, and high-temperature evaluations.

WitMotion WT61 IMU, Certified with various certificates including Calibration Report, RoHS, CE, and ISO 9001 for Compliance & Support.

The WitMotion WT61 IMU provides a 20-100Hz refresh rate, 3.3-5V voltage, senses acceleration, angle, and gyroscope, supports TTL interface, and is compatible with Android, PC, MCU, and Arduino.

WitMotion WT61 IMU offers 20-100Hz return rate, 3.3-5V voltage, and senses acceleration, angle, and gyroscope. Supports TTL interface, compatible with Android, PC, MCU, and Arduino.

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