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WT901BLECL MPU9250 bluetooth 4.0 ble accelerometer angle magnetic magnetometer electronic compass

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Company Information

WitMotion ShenZhen Co., Ltd.

CN Manufacturer
Response Time
Response Rate:
US$ 20,000+
2 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Brand Name: WitMotion
Model Number: WT901BLECL
Usage: Acceleraiton Angle Angular Velocity Magnetic Field Air Pressure Height
Theory: Acceleraiton Angle Angular Velocity Magnetic Field Air Pressure Height
Output: Acceleraiton Angle Angular Velocity Magnetic Field Air Pressure Height
Product name: WT901BLECL Digital compass Attitude Sensor
Charge: USB Charge
Acceleration Output: Yes
Angle Output: Yes
Gyroscope Output: Yes
Angular Velocity Output: Yes
Bluetooth version: 4.0
Acceleration: &plusmn;16g
Angular velocit: -&plusmn;2000&deg;/s
Angle: &plusmn;180&deg;
Selling Units: Single item
Single package size: 7X7X2 cm
Single gross weight: 0.03 KG
Package Type: 1,The single piece of electronic product will be packaged in a protective case to prevent crushing. 2,The built-in foam board is anti-vibration, or it is packaged in an electrostatic bag to prevent static electricity. 3,The outer box will be wrapped with a bubble pad. 4,Our aim is to protect electronic shock and pressure and avoid static electricity.
Product Description
WT901BLECL Bluetooth Inclinometer Sensor Vibration Sensor
51.3mm x 36mm X 15mm

Pad pitch

Up-down 100mil(2.54mm) Right-left 600mil(15.24mm)

Acceleration -3d 
Angular Velocity -3d Magnetic field-3d 
Air pressure - 1d
Attitude measurement stability
Output content

Angular velocity -±2000°/s Angle---±180°

Acceleration -0.01g Angular velocity -0.05°/s
Output frequency
Date interface
Serial TTL level
Bate rate
(default and can't be changed)
Bluetooth transmission distance

Product Feature

1,JY901 module was integrated to the BWT901CL, Small and delicate shell protects the module and it is convenient to carry. On the basis of the original function, the Bluetooth interface is added. The wireless transmission can be realized by connecting Bluetooth to the PC software.
2,The module integrated high precision gyro accelerometer and geomagnetic field sensor. The product can solve the current real-time motion posture of the module quickly by using the High - performance microprocessor, advanced dynamic solutions and Kalman filter algorithm.
3,The advanced digital filtering technology of this product can effectively reduce the measurement noise and improve the measurement accuracy.
4,The attitude solver is integrated into the module, and the dynamic Kalman filter algorithm can accurately output the current attitude of the module in the dynamic environment.
5,An internal voltage stabilizing circuit module, voltage 3.3v~5v, pin compatible with the 3.3V/5V embedded system, convenient connection. 
6,Support serial port, convenient for users to choose the best way to connect,
7,Maximum 200Hz data output rate. Input content can be arbitrarily selected, the output speed 0.1HZ ~ 200HZ adjustable.
8,In the 4 layer PCB board process, thinner, smaller, more reliable.

The details of the BWT901CL Gyroscope Bluetooth Version as below.

The data of the APP shows as below:


Sealed box with foam inside the box to prevent crushing and landing damage.

Q: What is an inertial measurement unit?
A: An inertial measurement unit (IMU) is an electronic device that measures and reports a subject's specific force, angular rate, and sometimes its magnetic field, using a combination of accelerometers, gyroscopes, and magnetometers.

Q: What is an AHRS?
A: Attitude heading reference systems is commonly referred to as AHRS. As the name implies, AHRS is a combination of sensors in one package.

Q: How do I get technical support for my WitMotion products? 
 A: Support Engineers are always available to support you in any way we can by phone, email, SKYPE or Live Chat from our home page. Contact details may be found as below: 
PHEONE/WECHAT/WhatsApp: +86 136 523 39539

Q: Where do I get document like manual or data sheet/ APP? 
A: For detailed info, please find brochure, specification sheet and APP at
    For operation demo, please find at below link:

Q: Do you accept trial order? What is the MOQ?
A: We accept sample policy. MOQ is from 1 pcs. 

Q: Can I make custom design of WitMotion products?
A: Customized design is available.  

Q: Which way of payment I can make?
A:  T/T, credit cards like VISA or MasterCard is accepetable. Bank transfer via Trade Assurance Order is preferred. 
Our Company

Why choose us?

Whether your applications requirements are size or performance, you will find a suitable AHRS at WitMotion

WitMotion is a fast growing supplier of miniature, high performance and innovative motion sensing solutions. WitMotion is headquartered in Shenzhen, China and operates in America, Europe, Asia from its e-commerce at Amazon and AliExpress.

WitMotion offers a complete line of inertial sensors, such as Attitude and Heading Reference System (AHRS) or Inertial Measurement Unit (IMU), based on the state of the art MEMS technology.

This technology, combined with advanced calibration techniques offers miniature and low-cost solutions while maintaining a very high performance at every level.

Our sensors are ideal for industrial, research projects including but not limited to
1.  Antenna tracking

2.  Internet of Things
3.  Camera stabilization
4.  Surveying applications
5.  Agricultural Machinery
6.  Construction Machinery

7.  Unmanned vehicle control

8.  Inclinometers For Solar Tracking System
9.  TMS Intelligent Tower Monitoring System

10.Inclinometer For Geotechnical Monitoring System

11.Tilt Sensor & Inclinometer for Ancient Buildings Protection

Our Service

OEM design with customized LOGO

This is a demo of finished product made for a valued customer, with custom design for bidding the tower control project. 

Custom design and LOGO is available

We accept order for different requirements of the sensor.

Normally it will take 7-15 days to accomplish the production. 

The logo will be carving by the laser machine.

Simply offer the Logo design file and custom design demands, and we will provide your own product.

Contact Us
Follow us on Facebook : @attitudesensor / search shenzhen witmotion co. ltd.
Youtube: search WitMotion, and you can find more demo of our sensors. 
Skype: live:kyle_8394
WhatsApp/Wechat/Mobile phone: (+86) 136 523 39539
Email: kyle