Pololu LSM303DLM 3-axis digital Accelerometer + Magnetometer

Index: PLL-00118

The sensor is used to determine the acceleration and magnetic field. The measurement of these quantities is made possible by an integrated 3-axis accelerometer with a magnetometer. Measuring range adjustable: accelerometer±2Gto±8Gmagnetometer ±1.3 to ±8.1 gaus.

Pololu LSM303DLM 3-axis digital Accelerometer + Magnetometer
€5.12 tax excl.
Discontinued product
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Manufacturer: Pololu


The product has been replaced by a new LSM303D3-axis digital Accelerometer + Magnetometer I2C/SPI .

Trzyosiowy akcelerometr ze złączami dołączonymi do zestawiSpecification

  • Power supply voltage: 2.6 to 5.5 V
  • Current consumption: 10 mA
  • I2C (TWI) output data:
    • Accelerometer: 12-bit per axis
    • Magnetometer: 12-bit per axis
  • Sensitivity range (configurable):
    • Accelerometer: ±2, ±4, ±8 g
    • Magnetometer: ±1.3, ±1.9, ±2.5, ±4.0, ±4.7, ±5.6, ±8.1 gaus
  • Dimensions: 13 × 23 × 3 mm
  • Weight (without pins): 0.9 g


The sensor is used to determine the acceleration and magnetic field. The measurement of these quantities is made possible by a 3-axis accelerometer and magnetometer and the passive elements necessary for the correct operation of the system. The integrated regulator allows powering the module with any voltage from 2.5V to 5.5V.

The popular I2C bus (TWI) is used for communication with the central unit. The outputs are popular goldpin connectors, which allow the sensor to be connected by wires or directly connectedtothecontactplate.

Product compatible with Arduino

The manufacturer has prepared a librarythat makesthe moduleeasy touse for users of Arduino sets.

The excerpts

The sensor has nine leads for mounting goldpin-type connectors - 2.54mm raster (included). We can solder the strip on request.

LSM303 opis wyprowadzeń

PIN Description
VIN Power supply, voltage range 2.6 to 5.5V
GND System mass potential
1V8 Output 1.8V
3V Output 3V.
SCL Clock line I2C
SDA I2C data line
DRDY Signal the magnetometer's ready. If there is a high state (1.8V) the data is ready for reading.
INT1 Configurable interruption 1
INT2 Configurable interruption 2


The outline of the system shall be contained in a rectangle of dimensions: 23 x 13mm The overall thickness does not exceed 3mm. There are two holes with an internal diameter of 2.2mm.


The system contains a voltage regulator and the passive elements necessary for proper operation.

Wymiary modułu LSM303

I2C bus (TWI)

The device addresses are 7-bit. The magnetometer has a fixed device address 0011110. The youngest bit of the accelerometer address can be configured using line SA0_A(001100x). By default, it is pulled to ground (0011000). To change the value of the youngest bit, pull the line up to supply voltage using the jumper on the back of the module.

LSM303DLM - schemat elektroniczny

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

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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