# ZL9NSQ Wireless 3D Attitude Sensor Module for Posture Detection

**Type:** Product page · **SKU:** DFR1179 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/zl9nsq-wireless-3d-attitude-sensor-module-for-posture-detection.html ([markdown](https://core-electronics.com.au/zl9nsq-wireless-3d-attitude-sensor-module-for-posture-detection.html.md))

The ZL9NSQ 3D Attitude Sensor Module, offering unparalleled accuracy for posture monitoring, gaming and entertainment device, Featuring IMU Motion Engine...

## Pricing

- **Price:** $114.95 (inc GST) — $104.50 AUD, exc GST
- **Quantity discounts:** 6+ $99.27 (exc GST) · 12+ $95.09 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 19 and Aug 24.

## Description

The ZL9NSQ is a high-performance 3D attitude sensor module that integrates a three-axis accelerometer, a three-axis gyroscope, and a three-axis magnetometer. Featuring a 32-bit ARM Cortex-M4F microprocessor, it utilizes the IMU Motion Engine algorithm along with a **2.4G wireless** transceiver and packaged antenna. Advanced signal processing algorithms handle high-speed sampled sensor data to deliver accurate and reliable quaternions, Euler angles, calibrated accelerations, and calibrated angular velocities, providing precise three-dimensional attitude information.

With a versatile working voltage range of 5V via USB Type-C or 3.3V/5V via P2-PH2.0/P4-VCC, and supporting multiple communication methods including **RF, UART, and SPI**, the ZL9NSQ ensures seamless integration into various systems. It achieves a static pitch/cross accuracy of 0.05° and offers a maximum data output rate of 250Hz, making it ideal for applications such as **posture monitoring**, gaming and entertainment equipment, personal health and fitness, and inertial navigation.

![ZL9NSQ Wireless Centrale Inertielle IMU Sensor Module for posture monitoring](https://core-electronics.com.au/attachments/localcontent/IMU-01_102727d7db5.jpg)

**High-Performance, High-Precision IMU**

The ZL9NSQ integrates a three-axis accelerometer, three-axis gyroscope, and three-axis magnetometer to provide comprehensive and precise three-dimensional attitude information.

**Advanced Communication Methods**

Supporting RF (Bluetooth), UART, and SPI communication methods, the ZL9NSQ allows for versatile data transmission and integration into various systems.

![](https://core-electronics.com.au/attachments/localcontent/3_10121b5af25.jpg)

Figure: IMU Motion Engine Process Flowchart

**Accurate Attitude Information**

The sensor module delivers accurate quaternion, Euler angle, acceleration, and angular velocity data, essential for high-precision applications.

**Integrated IMU Motion Engine Algorithm**

The IMU Motion Engine software provides a complete set of composite data fusion algorithms, including attitude solution, interference judgment, and online calibration. This enables users to obtain 3D attitude information easily without the need for extensive programming.

###  Features

15. High-performance, high-precision IMU
16. Integrated three-axis accelerometer, three-axis gyroscope, three-axis magnetometer
17. 3 communication methods: RF, UART, SPI
18. Can provide quaternion, Euler angle, acceleration, angular velocity and other three-dimensional attitude information
###  Applications

20. Posture monitoring
21. Gaming and entertainment equipment
22. Personal health and fitness
23. Inertial navigation
![Applications of ZL9NSQ Wireless Centrale Inertielle IMU Sensor Module](https://core-electronics.com.au/attachments/localcontent/Applications_13322a0341f.jpg)

###  Specification

26. Working voltage: J1-USB Type-C (5V), P2-PH2.0 (3.3V), P4-VCC (5V)
27. Communication method: RF (Bluetooth), UART, SPI
28. Pitch/cross accuracy (static): 0.05°
29. Pitch/cross accuracy (dynamic): 0.1°
30. Heading accuracy error (magnetometer assisted): 0.5°
31. Relative heading error (static): <1°/hr
32. Relative heading error (dynamic): 5°/hr
33. Angle resolution: <0.01°
34. Angle repeatability: <0.1°
35. Sensor raw data output rate: Max 250Hz
36. Navigation data output rate: Max 250Hz
**Accelerometer Parameters**

38. Range: ±16g
39. Zero bias stability: 2mg
40. Initial zero value: 40mg
41. Scale factor error: ±0.06%
42. Nonlinearity: ±0.1%
43. Axis alignment error: ±0.05°
44. Noise density: 75ug/vHz
45. Bandwidth: 260Hz
**Gyroscope Parameters**

47. Range: ±2000°/s
48. Bias stability: 5°/hr
49. Initial zero value: 0.2°/s
50. Scale factor error: ±0.05%
51. Nonlinearity: ±0.1%
52. Axis alignment error: ±0.05°
53. Noise density: 0.0028°/s/vHz
54. Bandwidth: 256Hz
**Magnetometer Parameters**

56. Range: ±4900uT
57. Bias stability: 20nT
58. Scale factor error: ±0.09%
59. Nonlinearity: ±0.3%
60. Axis alignment error: ±0.05°
61. Noise density: 0.14nT/vHz
62. Bandwidth: 200Hz
###  Documents

64. [Module product manual](https://core-electronics.com.au/attachments/localcontent/DFR1179Productmanual_266005868a8.pdf)
65. [Chip data sheet](https://core-electronics.com.au/attachments/localcontent/DFR1179DataSheet_16642496f1e.pdf)
66. [Schematics](https://core-electronics.com.au/attachments/localcontent/DFR1179SchematicDiagram_16655db0a1d.pdf)
67. [SDK](https://core-electronics.com.au/attachments/localcontent/DFR1179SDK_28852f188fb.rar)
###  Parts List

69. ZL9NSQ Wireless Centrale Inertielle IMU Sensor Module x1
70. 2.54-10Pin pin header x2

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/D/F/DFR1179-1.jpg)