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[Bluetooth Accelerometer+Inclinometer] BWT901CL MPU9250 High-Precision 9-axis Gyroscope+Angle(XY 0.05° Accuracy)+Magnetometer with Kalman Filter, 200Hz High-Stability 3-axis IMU Sensor for Arduino
Details
- BrandWITMOTION
- MaterialPolycarbonate
- Item weight0.97 Grams
- Maximum supply voltage5 Volts (DC)
- Measurement accuracy0.05 Degree
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Description
📊 Elevate your measurements with precision and wireless freedom — don’t get left behind!
- PRECISION IN MOTION - Experience ultra-accurate 9-axis sensing with 0.05° angle precision for flawless pitch, roll, and yaw data.
- PLUG PLAY VERSATILITY - Compact surface-mount design with multi-connection support via WITMOTION PC software for effortless integration.
- SMART FUSION TECHNOLOGY - Advanced Kalman filter and dynamic fusion algorithms deliver rock-solid, low-noise data you can trust.
- SEAMLESS WIRELESS FREEDOM - Stay connected up to 10 meters via Bluetooth 2.0, perfect for clutter-free, real-time measurements.
- ENDURANCE MEETS EFFICIENCY - 4-hour battery life with continuous operation even while charging—work uninterrupted and stress-free.
The WitMotion BWT901CL is a compact, high-precision Bluetooth-enabled 9-axis IMU sensor combining accelerometer, gyroscope, inclinometer, and magnetometer functions. With 0.05° angle accuracy, 200Hz output rate, and a 10-meter wireless range, it’s engineered for professional-grade motion and angle measurement. Featuring Kalman filtering for stable, low-noise data and a 4-hour battery life that supports charging during use, it’s ideal for advanced Arduino projects and industrial applications requiring reliable, real-time spatial awareness.
Specifications
| Manufacturer | WitMotion |
| Part number | BWT901CL |
| Item Weight | 0.97 g |
| Package Dimensions | 9.5 x 8.6 x 2.9 cm; 0.97 g |
| Item model number | BWT901CL |
| Size | 36 * 51 * 15 mm |
| Material | Polycarbonate |
| Measurement Accuracy | 0.05 Degree |
| Plug profile | Surface Mount |
| Specific uses | construction levels, leveling instruments |
| Batteries included? | No |
| Batteries Required? | No |
Have a Question? See What Others Asked
Reviews
J**F
Good device good quality
Takes some time to calibrate but does the job. Support through Skype is excellent.
B**E
great accelerometer, but loads of other stuf thrown in too
not for the faint-hearted. You will need to do some reading to set it up, but a very good product at a good price point. Bought to monitor the vibrations happening in the steel-framed building my daughter lives in and surprised to see the flux measurement moving as well.
J**A
Very good product
VEry good product, amazing support. I recommend it...
S**E
works sort of. Impossible to download and you need a massive app to open. Threw it in the trash
The thing works live and looks really good but it has proved impossible to download the data in any meaningful form. All you can get it a load of gobbledygook and TXT files. The instructions are all over the place.After several mails it turns out you have to load a '.play' app which is distinctly dodgy. Then I was sent a link to a massive 305 Mb app to read back the data - they don't bother telling you any of this though.The app caused all sorts of malware alarms and ultimately nearly caused the machine to crash. I have thrown the thing in the trash and wiped the laptop.
J**R
Fraudulent, they'll send anything they have lying around
I purchased a BWT901CL which is supposed to have bluetooth and USB Type C interface, what came has TTL interface and bluetooth doesn't really work, stuck in paired mode even though it's not paired to anything.Probably faster to just get a MPU6050 and a board of choice and go from there.
I**N
Difficult to set up does not work properly
Documentation is poor and unusable. Product claims to have stable compass when tilted it does not compass North moves by 30 degrees if device is angled up at above 45 degrees generally it does not do what the spec says it does would never recommend this device to anyone.
T**N
Bluetooth doesn’t connect to any devices not showing up in the scan
Bluetooth doesn’t connect to any devices not showing up in the scan
P**E
Software is total crap
The maker has no idea how an aircraft compass should work.I see they removed it from sale after my complaint.Can't be bothered to check if it's back again.
Common Questions
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