3-Space™ Nano

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The Yost Labs 3-Space Sensor™ Nano is an super-miniature, all-in-one IC / AHRS with high-precision, high-reliability, low-cost, and extremely low power consumption. The Nano is an SMT Attitude and Heading Reference System (AHRS) / Inertial Measurement Unit (IMU) which uses triaxial gyroscope, accelerometer, and compass sensors in conjunction with advanced processing and on-board quaternion-based orientation filtering algorithms to determine orientation relative to an absolute reference in real-time.

The 3-Space Sensor™ Nano is pre-programmed IC / AHRS chipset with our QGRAD2™ filter that can be installed into the likes of any product. However the Nano is available as a pre-packaged carrier / development sensor, or can be purchased individually as the IC / AHRS chipset. We also offer fully featured Evaluation Kits designed for the Nano which can be used for testing and external development.

Key Features

The Yost Labs 3-Space Sensor™ Nano has a variety of packaging options and many features that allow it to be a flexible all-in-one solution for your orientation sensing needs.

  • All-in-one development AHRS at 16mm x 15mm x 1.7mm and 0.7 grams
  • All-in-one embedded AHRS at 3.8mm x 5.2mm x 1.1mm and 0.01 grams
  • Fast sensor update and filter rate allow use in real-time applications, including stabilization, virtual reality, pedestrian tracking, real-time immersive simulation, and robotics
  • Advanced on-board magnetometer auto-calibration allows the sensor to quickly adapt to changing magnetic environments.
  • Highly customizable orientation sensing with options such as tunable filtering, oversampling, and orientation error correction
  • Advanced integrated QGRAD2™ filtering allows sensor orientation outputs at up to 200Hz while automatically reducing the effects of sensor noise and sensor error
  • Robust open protocol allows commands to be sent in human readable form, or more quickly in machine readable form
  • Orientation output available in absolute or relative terms in multiple formats (quaternion, rotation matrix, axis angle, two-vector)
  • Absolute or custom reference axes
  • Access to raw sensor data
  • Embedded pedestrian tracking
  • Flexible communication options: SPI, I2C, USB 2.0*, or asynchronous serial
  • Castellated SMT edge pads provide SMT mounting and allow for through-hole mounting
  • Upgradeable firmware
  • Programmable interrupt capability
  • Development kit available


Motion tracking for any project

Recognized as one of the best university startups in 2017, Yost Labs best-in-class sensors and engineering staff are here to provide the fastest inertial motion tracking for your work. We can engineer custom solutions for your projects.

Contact Us

* requires Nano Evaluation Kit




Part number TSS-Nano
Dimensions 16mm x 15mm x 1.7mm
3.8mm x 5.2mm x 1.1mm
Weight 0.7 grams
0.01 grams
Supply voltage +3.3v ~ +6.0v
Power consumption 20mA @ 3.3v
Communication interfaces SPI, I2C, Asynchronous Serial
Filter update rate Up to 200Hz with QGRAD2 AHRS
Orientation output absolute and relative quaternion, Euler angles, axis angle, rotation matrix, two vector
Other output raw sensor data, corrected sensor data, normalized sensor data, temperature
SPI clock rate 2.5 MHz max
Serial baud rate 1,200~921,600 selectable, default: 115,200
Shock survivability 5000g
Temperature range -40C ~ 85C (-40F ~ 185F)


Orientation range 360° about all axes
Orientation accuracy ±1.5° for dynamic conditions & all orientations
Orientation resolution <0.08°
Orientation repeatability 0.085° for all orientations
Accelerometer scale ±2g / ±4g / ±8g / ±16g selectable
Accelerometer resolution 16 bit
Accelerometer noise density 90μg/√Hz
Accelerometer sensitivity 0.000061g/digit-0.000488g/digit
Accelerometer temperature sensitivity ±0.01%/°C
Gyro scale ±125/±250/±500/±1000/±2000 °/sec selectable
Gyro resolution 16 bit
Gyro noise density 0.000006°/sec/√Hz
Gyro bias stability @ 25°C 11°/hr average for all axes
Gyro sensitivity 0.004375°/sec/digit for ±250°/sec 0.070°/sec/digit for ±2000°/sec
Gyro non-linearity 0.2% full-scale
Gyro temperature sensitivity ±0.03%/°C
Compass scale ±13 Ga
Compass resolution 16 bit
Compass sensitivity 1.5 mGa/digit
Compass non-linearity ±0.0003 mGa/°C


Tech Brief:   TSS_Nano_Tech_Brief_v2.2.1.pdf

Nano User’s Manual:   3-Space Sensor User’s Manual Nano.pdf

Sensor Family User’s Manual:   3-Space Sensor User’s Manual.pdf

3-Space Sensor Downloads:   3-Space Sensors Downloads Hub