AltIMU-10 v5 - gyroscope, accelerometer, compass and I2C 3-5V altimeter - Pololu 2739*

Sensor for measuring acceleration, magnetic field, angular speed and altitude. It is a combination of 3-axis accelerometer and gyroscope LSM6DS33, LIS3MDL magnetometer and barometer LPS25H. Communicates via the I2C bus.


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Description of product: AltIMU-10 v5 - gyroscope, accelerometer, compass and I2C 3-5V altimeter - Pololu 2739

Module AltIMU-10 v5 is the 3-axis sensors: accelerometer, gyroscope LSM6DS33, magnetometer LIS3MDL, and LPS25H barometer. Using these sensors, it is possible to create a complete system AHRS (attitude and heading reference system), i.e. to determine the position of the object in three-dimensional space. Data from the barometer can be easily converted to the height, thanks to gyroscope, you can track the rotations of the object, and accelerometer, along with magnetometer offset the drift of the gyroscope and determine the irrespective reference point.

The kit includes connectors goldpin raster of 2.54 mm for self-soldering.


  • Supply voltage: 2.5 V - 5.5 V
  • Current consumption: 6 mA
  • Three axes: X, Y, Z
  • Communication interface: I2C (TWI)
  • Data format:
    • Accelerometer: 16-bits per axis (left-aligned)
    • Gyroscope: 16-bit per axis
    • Magnetometer: 16-bits per axis (left-aligned)
    • Barometer: 24-bit (4096 LSb/mbar)
  • Measuring ranges (configurable):
    • Accelerometer: ± 2, ± 4, ± 8, ± 16 g
    • Gyroscope: ± 125, ± 245, ± 500, ± 1000, ± 2000 °/s
    • Barometer: 26 kPa to 126 kPa
    • Magnetometer: ± 4, ± 8, ± 12, ± 16 gauss
  • Size: 25 x 13 x 3 mm
  • Weight: 0.8 g (without connectors)


   The module has a voltage regulator and all necessary passive components. The leads are popular goldpin connectors for connecting the sensor via wires or to connect directly to breadboard.

Compared to the board MinImu v5 that has no height sensor.


In relation to the previous version, AltIMU-10 v5 has a new 3-axis MEMS sensors from the company ST - gyroscope and accelerometer LSM6DS33 (documentation), and magnetometer LIS3MDL (documentation). These sensors have higher precision and more improved stability of measurement than its predecessors. New magnetometer allows to measure in a wider range - up to 16 gauss. The distribution of leads is fully compatible with the version v4, while changed were sample programs and libraries for Arduino.


AltIMU-10 v5 is pin-compatible with the module MinIMU-9 v5. It has the same functions with the expansion with digital barometer that can be used as a height sensor. Properly written code for the MinIMU-9 v5 will work with the system AltIMU-10 v5.


The product is compatible with Arduino

A library for user of the module Arduino:




The sensor has five leads for mounting goldpin connectors - 2.54 mm pitch (included).


Wyprowadzenia modułu IMU 3D


SCLClock line of the I2C bus. High state is equal to the voltage VIN. Low GND.
TrafficThe data line of the I2C bus. High state is equal to the voltage VIN. Low GND.
GNDThe potential of mass of the system.
VINSupply voltage from 2.5 V to 5.5 V
VDDIn the case where the voltage is higher than 3.3 V, the lead can be the output voltage of 3.3 V with current efficiency up to 150 mA. When the supply voltage is in the range of 2.5 V - 3.3 V, you should connect it to the VDD lead.

Input to change I2C addresses in accordance with the table below.

Pin works with a voltage of 3.3 V, connecting 5 V can permanently damage the chip.

 I2C addresses

Accelerometer, magnetometer, gyroscope and barometer, in a module, have the 7-bit addresses. Installed are respectively:




by default


SA0 in low state


accelerometer and gyroscope








The bus operates properly with a clock frequency up to 400 MHz (fast mode).


Tips for first use

All the necessary information about the connection and the maintenance of the sensors of the module AltIMU-10 are in the documentation of the individual sensors. Below are several the most important facts:

  • Pressure sensor, accelerometer and gyroscope are disabled by default. You have to run them by setting the appropriate bits in the appropriate registers.
  • Possible is multi-read and multi-record of the accelerometer, gyroscope and barometer with one command of I2C via setting the most significant bit of the address (starting autoincrementing).




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The time of payment depends on the hours of ELIXIR session of the sender's bank and the recipient of the transfer (more information on this subject, for example on the website


The table presents available forms of delivery in Poland


Carrier and

Bank wire

by cash


Poczta Polska

terms of service

9,90 PLN17,90 PLN1-3 days

Kurier GLS

terms of service

14,90 PLN22,90 PLN

1-2 days

Paczkomaty 24/7 

terms of service

12,90 PLN-1-3 days

If the amount to pay for products exceeds 500 PLN
Delivery is for free!


  • Free delivery of orders over 500 PLN does not apply to parcels addressed outside of Poland.
  • Free delivery does not apply when changing orders.
  • The delivery period is counted in working days from the date of dispatch of the order.