The navX-2 Micro is the greatest sensor for orientation in competitive robots. navX2-Micro is a second-generation 9-axis inertial/magnetic sensor and motion processor. Designed for plug-n-play installation onto robots such as those used in the
FIRST Technology Challenge (FTC) and the
FIRST Robotics Challenge (FRC), navX2-Micro helps build better robots by adding sophisticated navigation capabilities. Significant improvements over the classic navX-Micro allow for more accuracy, decreased yaw drift, and faster boot time. navX-2 Micro includes software algorithms for enhanced sensor calibration as well as KalmanFilter-based data fusion combining gyro, accelerometer, and magnetometer data into a 9-axis heading and high-quality magnetometer calibration including magnetic disturbance detection.
In addition to being an Inertial Measurement Unit, navX-Micro capabilities are referred to within the aerospace industry as an “
Attitude/Heading Reference System” (AHRS). Kauailabs brings this high-tech AHRS capability to
FIRST teams – to use, learn, and explore. navX-Micro is a key component of Kauailabs’ ongoing efforts to make state-of-the-art navigation technologies used in drones and autonomous vehicles (e.g., the Google Car) available to robotics students and enthusiasts as low-cost, open-source products.
Improvements over navX "Classic":
navX2-Micro features a new set of IMU & Magnetometer sensors with superior sensor specifications to those on the MPU-9250 sensor. This board has a faster 180Mhz microcontroller and an optimized startup time at 5 seconds versus 15 seconds. In addition, it has a completely new Kalman Filter-based Sensor Fusion algorithm running internally at a blazing fast 416Hz.
Individual Components in Bundle:
- 1 - navX-2 Micro Navigation Sensor (am-3554a)
- 1 - USB A to Mini B 2.0 Cable 6 Ft Long (am-4015)
- 1 - navX-2 Micro Navigation Sensor Case (am-4025)
- 1 - 4-Pin JST PH to Molex Cable (am-4363)
- 1 - 4-Pin to 4-Pin Sensor Cable
Features:
- 3-axis Magnetometer,LIS2MDL
- 32-bit ARM processor, ST Micro LSM6DSM IMU
- KalmanFilter-based data fusion
Sophisticated Motion Processing:
- High Accuracy, Low-latency Yaw, Pitch and Roll Angles calculated by real-time Kalman Filter running at 416Mhz
- Factory Accelerometer Calibration, Automatic Gyroscope Calibration
- Quaternions and Gravity-corrected Linear Acceleration and Velocity Measurements
- High-sensitivity Motion Detection
- Tilt-compensated Compass Heading
- 9-Axis absolute heading w/Magnetic disturbance detection
Inertial/Magnetic Measurement Unit:
- Configurable Update Rate from 4 to 200Hz
- Access to Raw Data from Gyroscopes, Accelerometers, and Magnetometers
Easy to Use:
- Plug-n-Play connection on FTC and FRC robots via I2C and USB interfaces
- 5V and 3.3V-compatible I2C Signaling
- Can be powered by either 5V or 3.3VDC
- Connection to Windows PC via USB Cable
- FTC and FRC Software libraries and sample code
- Support for Mounting in horizontal, vertical and even upside-down configurations via Omnimount
- Tools for Magnetometer Calibration
Specifications
- ADC Resolution: 16 Bits
- Accelerometer Sensitivity: +/- 16g
- Current: 50 Milliamps
- Gyro Sensitivity: +/- 2000 Degrees per Second
- Interface: I2C, USB Mini-B
- Magnetometer Angular Accuracy: +/- 2 Degrees
- Magnetometer Sensitivity: 1.3 Gauss
- Magnetometer Update Rate: 4 Hz
- Pitch/Roll Angular Accuracy: +/- 1.5 Degrees
- USB/I2C Update Rate: 4-200 Hz
- Voltage: 5V DC
- Yaw Angle Accuracy: ~2 Degrees per Hour when Still, ~1 Degree when Moving
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