Inertial Systems

Precise Navigation Made Simple

ACEINNA’s inertial solutions deliver high precision in an easy-to-use open source development environment. Our fully temperature calibrated solutions deliver the performance needed to sense the real-world motion of today’s intelligent systems.

Inertial Measurement Units (IMU)

Open IMU solutions offer best-in-class IMU performance with fully customizable, open source algorithms.

Tilt Sensors

Ruggedized, environmentally sealed inertial sensors that can survive tough construction, agriculture and industrial applications.

Inertial Navigation Systems (INS)

GNSS & IMU sensors combined to deliver cm level accuracy positioning and inertial positioning estimation.

Navigation Studio

Simulate -> Code & Deploy -> Analyze Navigation Systems


Easily create a virtual IMU, motion trajectory and navigation algorithm simulations.

Code & Deploy

Customize and deploy algorithms directly on ACEINNA’s OpenIMU hardware using Free VS Code Extension. Implement an INS Kalman Filter.


Connect ACEINNA OpenIMU directly to ACEINNA Navigation Studio to record and analyze real-world results.

OpenIMU Development Platform

Link to OpenIMU



The ACEINNA OpenIMU330B is a triple-redundant 6 Degree-of-Freedom surface mount Inertial Measurement Unit (IMU) designed for use in automotive Level 3 ADAS and other high-volume applications.  The triple-redundant architecture combined with the small, low-cost packaging is intended to meet the challenging performance, reliability and cost requirements of the automotive market.

Data Sheet
Online Manual
# of Axis 6
Product Type Surface Mount
Footprint 11 x 15 x 3 mm
Interface SPI / UART
Package Ball Grid Array - 44 ball
Gyro Range 400 +/- deg/sec
Gyro In-Run Bias Stability 1.5 deg/hr
Gyro Scale Factor Accuracy 0.02%
Gyro Bandwidth 5-50Hz
Gyro Bias Over Temp 0.3 deg/sec
Gyro Angular Random Walk 0.2 deg/ √hr
Accel Range 8 g
Accel Bandwidth 5-50 Hz


Features and Benefits
  • Triple Redundant, 3 axis MEMS angular rate sensor
  • Triple Redundant, High Performance 3 axis MEMS Accelerometer
  • Open Source Tool Chain and Custom Algorithms
  • 32 Bit ARM M4 CPU with Floating Point Unit
  • Built in 16-State Open Source Extended Kalman Filter 
  • SPI and UART interfaces
  • Up to 3 UARTs
  • Wide Temp Range, -40C to +85C
  • High Reliability
  • MTBF > 50k hours 
  • Open Community & Support 
  • Autonomous Vehicles
  • Self-Driving Taxis/Delivery Vehicles
  • ADAS Systems
  • Electronic Stability Control
  • Lane Keep Assist