The Integrated IMU Sensor Module (GY-85) is a compact and versatile solution for advanced 9-axis motion tracking and orientation sensing. It combines three essential sensors—accelerometer, gyroscope, and digital compass—into a single, integrated system. This module delivers precise measurements for motion, orientation, and heading, making it ideal for robotics, drones, and wearable devices.
Features
Core Sensors:
- Three-Axis Accelerometer (ADXL345):
- Measurement Ranges: ±2g, ±4g, ±8g, ±16g
- Sensitivity:
- ±2g: 230~282 LSB/g
- ±4g: 115~141 LSB/g
- ±8g: 57~71 LSB/g
- ±16g: 29~35 LSB/g
- Nonlinearity: ±0.5% full scale
- Zero Bias:
- X/Y axes: -150~150 mg
- Z axis: -250~250 mg
- Data Output Rate: 0.1~3200 Hz
- Three-Axis Gyroscope (ITG3205):
- Measurement Range: ±2000 degrees/second
- Sensitivity: 14.375 LSB/degree/second
- Zero Bias: ±40 dps
- Temperature Sensitivity: ±10% (0~55°C)
- Three-Axis Digital Compass (HMC5883L):
- Measurement Range: ±8 Gauss
- Sensitivity: 230~1370 LSB/Gauss
- Magnetic Field Resolution: 2 milligauss
- Data Output Rates:
- Continuous Measurement: 0.75 Hz
- Single Measurement: 160 Hz
Communication Interface:
- I2C bus for seamless integration with microcontroller systems.
Advantages:
- 9 Degrees of Freedom (9DOF): Combines linear acceleration, angular velocity, and magnetic field sensing for precise motion and orientation tracking.
- Compact Design: Space-efficient for applications requiring miniaturization.
- Low Power Consumption: Ideal for battery-powered devices.
Applications
- Quadcopters and Drones: Stabilization and flight control.
- Gesture Recognition Systems: Enabling interaction with digital interfaces.
- Wearable Motion Trackers: Fitness monitoring and health tracking devices.
- Robotics and Autonomous Systems: Navigation and motion planning.
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