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Small green rectangular circuit board with surface-mounted chips and a row of header pins

Adafruit

Adafruit BNO055 9-DOF Absolute Orientation IMU Fusion Breakout

SKU CH-CQ45-MBWM5

A 9-DOF IMU with on-board sensor fusion delivering 100 Hz orientation data over I2C, assembled with header pins

  • Product typeEngineering Development Tools
  • On-board sensor fusion delivers ready-to-use orientation data
  • ARM Cortex-M0 processor fuses 9-DOF MEMS sensors on one die
  • I2C interface provides Euler, quaternion, angular velocity and acceleration vectors
  • Outputs orientation at 100 Hz and magnetic field at 20 Hz
  • Supplied assembled and tested with header pins included

Sensor fusion on a single die

The BNO055 integrates a Cortex-M0 processor with a MEMS accelerometer, magnetometer and gyroscope on one die. It performs sensor fusion internally and delivers absolute orientation, angular velocity, acceleration and magnetic field data. The board ships assembled and tested with a short header strip for quick breadboard use. It is aimed at engineers and makers who need reliable 3D orientation without writing fusion algorithms.

Check I2C address and voltage level

The breakout communicates over I2C, so verify your host has an available bus and can operate at the board's logic level. Confirm the default I2C address does not conflict with other devices on the same bus. Ensure your firmware can request Euler vectors or quaternions at up to 100 Hz and magnetic data at 20 Hz. The small header requires soldering if a permanent connection is needed.

Replaces discrete 9-DOF wiring

This module replaces a separate accelerometer, gyroscope and magnetometer plus the software effort to fuse their outputs. The jump is worth it when development time matters more than raw sensor access, or when a validated orientation output is required at 100 Hz. It is not for projects that need direct register control of each MEMS element or a different communication protocol.

How it compares

Measured against everything we stock in Engineering Workstations & Dev Kits, at today’s prices. Recalculated every night.

Price $28.99
Pricier than about 80% of the 170 comparable items (median $11.49).

Specifications

Product
Product typeEngineering Development Tools

Questions about this item

Does the board come with header pins attached or do I need to solder them myself?

It arrives assembled and tested with a small piece of header already fitted.

Which version of the BNO055 breakout should I choose for my project?

Only this single BNO055 breakout is listed, so there are no alternative versions or capacities to select.

What do the 100 Hz and 20 Hz output rates mean when the sensor is running in a real system?

Orientation, angular velocity and acceleration update at 100 Hz while magnetic field strength updates at 20 Hz, giving fast orientation data and slower compass readings.

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