ICM-20948 Module, 3-Axis Accelerometer, 3-Axis Gyroscope and 3-Axis Magnetometer, 9DOF, I2C, SPI, MPU-9250 Upgrade

The ICM-20948 9-Axis Motion Sensor Module is the perfect solution when you need precise motion data for robotics, drones, wearables, or IoT projects. Featuring a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer in a compact module, it provides accurate orientation and motion detection—all in one! The board is clearly laid out with well-labeled pins, making it easy to integrate into your projects.

Technical Details:

• 9 Degrees of Freedom (9-DoF): Combines accelerometer, gyroscope, and magnetometer for complete motion tracking.

• Power-efficient: Ideal for battery-powered devices thanks to various low-power modes.

• Highly accurate: Digital Motion Processing (DMP) delivers precise quaternion and Euler angle data.

• Wide measurement range:

  • Accelerometer: ±2g to ±16g

  • Gyroscope: ±250dps to ±2000dps

  • Magnetometer: ±4900µT 

• I2C/SPI Interface: Easy connection to microcontrollers like Arduino, Raspberry Pi, and others.

Applications: 

• Drone stabilization and navigation

• Fitness trackers and smartwatches

• Virtual Reality (VR) or Augmented Reality (AR) applications

• Robotics and autonomous vehicles

• Motion control in IoT devices

Why the ICM-20948?

With built-in 16-bit ADCs, programmable filters, and a temperature sensor for even more accurate results, this module is a true all-rounder. It delivers reliable data even in challenging environments, thanks to low noise and high sensitivity. The I2C/SPI interfaces and clear pin labelling make integrating it into your projects effortless. 

Pin Details:

The board comes with a header (unsoldered), giving you flexible connection options. Here’s a detailed overview of the pins and how to use them in your projects:

• VCC: Supply the board with a voltage between 1.8V and 3.6V.

• GND: Ground connection to be linked with the GND pin of your microcontroller to establish a common ground.

• SCL/SDA: Used for the I2C interface.

  • SCL (Serial Clock): Provides the clock signal.

  • SDA (Serial Data): Transfers the data.

• NCS: Chip select pin for SPI mode. If using I2C, this pin can be ignored or pulled HIGH (3.3V) to disable SPI mode.

• AD0: Determines the I2C address of the module.

  • LOW (GND): Address is 0x68

  • HIGH (VCC): Address is 0x69

    Useful when using multiple I2C devices on the same bus without address conflicts.

• INT: Interrupt pin sends a signal when a specific event occurs, e.g., when new data is ready or a motion threshold is exceeded.

• FSY: Frame Sync pin allows external synchronization, e.g., for time-critical applications like video recording or precise motion tracking. In most hobby projects, this can be left unconnected.

• ACL/ADA: These pins are for advanced features such as communication with an external I2C device (e.g., an additional sensor) via the module. If unused, they can be left unconnected.

Note: The module is designed for 3.3V systems; for 5V systems, the use of a logic level shifter is recommended.