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By WitMotion

[WT9011DCL] Ble 5.0 Acce+Gyro+Angle compact Sensor, 40h Battery life

$7.00 - $29.30
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Model: WT9011DCL
$15.00
$49.90 $15.00
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WT9011DCL - Accelerometer+Inclinometer - mpu6050 - mpu9250+Angle Sensor Gyroscope for Arduino Magneometer.
$15.00
$49.90 $15.00

Accelerometer Sensor

WT9011DCL Accelerometer Sensor

Accelerometer + Magnetometer + Gyroscope

  • Accelerometer sensor Output data】3-axis acceleration, 3-axis angular velocity, 3-axis magnetic field, 3-axis angle and quaternion.
  • 【Core Advantages】The WT9011DCL inclinometer integrates an attitude solver, which, in conjunction with the dynamic Kalman filter algorithm, can accurately output the current attitude of the module in a dynamic environment. The accelerometer sensor measurement accuracy is 0.2°, the stability is extremely high, and the performance is even better than some professional inclinometers.
  • 【Technical advantages】Solved the cumulative error caused by the drift of gyroscope integration in the 6-axis algorithm.
  • 【Output frequency】The output content can be selected arbitrarily, data output frequency: 0.2Hz~200Hz, 50Hz~200Hz data package transmission, default 10HZ.
  • 【Production process】The inclinometer sensor module uses 4-layer PCB board process, thinner, smaller and more reliable.
  • 【Ble 5.0】Bluetooth 5.0: The Bluetooth accelerometer  support Android /IOS operating system and the maximum distance can reach 90 meters.
  • 【chip】The accelerometer sensor equip with a 168MHZ high-performance cortex-M4 core.
  • 【Current and baud rate】Operating current: ≈ 16mA, standby current 14uA-16uA and Data interface: baud rate 115200.
  • 【Compact size】 32.5mm*23.5mm*11.4mm small size, therefore it easy to use in various scenarios.
  • 【You will get】WT9011DCL inclinometer*1, Type-C Charging cable*1, Quick Start Guide*1.

Technical Documentation & Downloads

Find all technical specifications and manuals for this product below:

WT9011DCL Manual
80MB
Download
WT9011DCL Datasheet
5.77MB
Download
WT9011DCL-BT50 Product Specifications
1.03MB
Download
WT9011DCL-BT50 APP manual description
785KB
Download
App Recording and playback
1.07MB
Download
WT9011DCL-BT50 Communication Protocol
1.00MB
Download
BLE5.0 Sample Codes+Android SDK etc.
195KB
Download

Why is the Z-axis angle inaccurate?

The reason depends on whether you are using a 6-axis or 9-axis setup:

  1. 6-Axis Mode: The X and Y axes are stabilized by gravity, so they do not drift. However, the Z-axis calculates its angle based on motion (angular velocity). While stable when resting, it will naturally accumulate drift when moving. It is only suitable for short-term relative measurements. To fix this during use, you need to periodically send a "Z-axis zeroing" command (refer to FAQ 5 or the communication protocol).
  2. 9-Axis Mode: In this mode, the Z-axis uses the magnetic field for direction. Any nearby magnetic objects (like iron or nickel) will cause interference and inaccurate readings. Please keep the sensor away from magnetic interference during installation. For minor interference, you can perform a magnetic calibration. (Note: The sensors are highly calibrated in a shielded environment at the factory, so we generally recommend simply avoiding interference rather than recalibrating).

Note: If you need to track the Z-axis over a long period, please choose a 9-axis sensor. If you only need Z-axis tracking and are using it on a flat surface, the HWT101 model is recommended.

Why do the quaternion, magnetic field, and battery data stop updating at a 200Hz output rate on the WT9011DCL-BT50?


Due to Bluetooth 5.0 data limits, the sensor automatically outputs only the core data: acceleration, angular velocity, and angle. Other data (quaternion, magnetic field, and battery) must be requested by the PC software or app. However, at a high speed of 200Hz, the sensor is too busy streaming the core data to respond to these extra requests, causing those specific readings to freeze on your screen.

Is the Euler angle rotation sequence intrinsic or extrinsic? What is the order of the quaternions?


The Euler angles use an intrinsic Z-Y-X rotation sequence. For quaternions, the output order q0, q1, q2, q3 corresponds directly to w, x, y, z.

If you have any questions about this product, please let us know by filling out the form below, and we will contact you as soon as possible.