MinIMU-9 v2 - accelerometer, gyroscope and magnetometer IMU I2C - Polol module

Index: PLL-00852

Sensor for measuring acceleration, magnetic field and angular velocity. It is a combination of a 3-axis accelerometer, magnetometer and gyroscope. It communicates via the I2C bus.

MinIMU-9 v2 - accelerometer, gyroscope and magnetometer IMU I2C - Polol module
€7.24 tax excl.
Discontinued product
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Manufacturer: Pololu


Product replaced by a new version: MinIMU-9 v3 - accelerometer, gyroscope and magnetometer IMU 9DOF I2C .


  • Moduł IMU firmy Pololu z dołączonymi złączami.Power supply voltage: 2.5 V - 5.5 V
  • Power consumption: 10 mA
  • Three axes: X, Y, Z
  • Communication interface: I2C (TWI)
  • Measurement ranges (configurable):
    • Accelerometer: ±2, ±4, ±8, ±16 g
    • Gyroscope: ±250, ±500 or ±2000 °/s
    • Magnetometer: ±1.3, ±1.9, ±2.5, ±4.0, ±4.7, ±5.6, ±8.1 gauss
  • Size: 20.3 x 12.7 x 2.5 mm
  • Weight: 0,9 g


The module, through a 3-axis accelerometer, magnetometer and gyroscope, allows to measure acceleration, magnetic field and angular velocity in three-dimensional space. Knowledge of these quantities allows to locate an object in 3D space. For communication with the central unit, the popular I2C bus (TWI) is used. The module has a voltage regulator and the necessary passive elements. The outputs are popular goldpin connectors, enabling the sensor to be connected by wires or directly connectedtothe contactplate.

Product compatible with Arduino

The manufacturer has prepared a library ( L3G , LSM303 ) and a sampleprogram forArduino moduleusers.


The sensor has five goldpin connectors - 2.54 mm raster (included).

Wyprowadzenia modułu IMU  3D

PIN Description
SCL I2C bus clock line. The high state is equal to the VIN voltage. Low GND.
SDA I2C bus data line. High state equals VIN voltage. Low GND.
GND System mass potential
VIN Supply voltage from 2.6 V to 5.5 V
VDD If the supply voltage is higher than 3.3V, the output can serve as a 3.3V output with a current capacity up to 150mA. When the supply voltage is in the range of 2.5V - 3.3V, it should be connected to the VDD output

The address of I2C

The accelerometer, magnetometer and gyroscope, located in MinImu-9 module, have 7-bit addresses. They are set to the following addresses:

  • Accelerometer LSM303DLHC-0011001b
  • Magnetometer LSM303DLHC-0011110b
  • Gyroscope L3GD20 -1101011b(with jumper configuration of the last bit)


The system is small in size, its outline fits into a rectangle of dimensions: 20.3 x 12.7 mm. It is mounted with a 2.1 mm internal diameter hole.


The system includes, among others, two voltage regulators (3 V and 1.8 V), filtering capacitors, pull-up resistors (e.g. I2C bus lines).

Moduł IMU wymiary i wyprowadzenia

MinIMU-v2 vs v1

The v2 version includes newer accelerometer systems ( LSM303DLHC)and gyroscope ( L3GD20 ).The dimensions of the plate have been reduced:

Schemat modułu Pololu

The drawing shows a diagram of MinImu-9.

MinIMU-9 v1 vs. MinIMU-9 v2

Package width 0.001 cm
Package height 0.001 cm
Package depth 0.001 cm
Package weight 0.001 kg

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