ANROT Wireless / Motion Capture

HI-221 Inertial Sensor Module

For wireless motion capture, human posture analysis, and synchronized multi-node sensing; star-network topology, up to 15 nodes, and 100 Hz wireless output for fast deployment.

HI-221 Inertial Sensor Module
Heading Accuracy
  • less than 10 deg in 6-axis mode
  • less than 3 deg after calibrated 9-axis mode
Roll / Pitch Accuracy
  • 0.8 deg static / 2.5 deg dynamic
Interface
  • wireless USB receiver up to 15 nodes within 20 meters line of sight
  • Micro-USB
Output Rate
  • 100 Hz
Dimensions
  • 20 x 38 x 8.5 mm

Specifications

Sensor Set
  • 3-axis gyroscope
  • 3-axis accelerometer
  • 3-axis magnetometer
Temperature Range -20C to 85C
Dimensions 20 x 38 x 8.5 mm
Operating Voltage 3.3V (+/- 100mV)
Power 99mW @3.3V
Output Rate 100 Hz
Output Data
  • acceleration
  • angular velocity
  • magnetic field
  • Euler angles
  • quaternion
Interface
  • wireless USB receiver up to 15 nodes within 20 meters line of sight
  • Micro-USB
Measurement Range
  • Gyroscope +/- 2000 deg/s
  • Accelerometer +/- 8 G
  • Magnetometer +/- 8 G
Roll / Pitch Accuracy 0.8 deg static / 2.5 deg dynamic
Gyro Bias less than 10 deg/h
Heading Accuracy less than 10 deg in 6-axis mode; less than 3 deg after calibrated 9-axis mode

Docs and Files

Datasheets

File Version
HI-221 Datasheet
hi221-datasheet-en.pdf
v1.0

Software

File Version
ANROTIMU Windows Package
Version downloads and feature overview
current

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