LSM303DLHC 3-axis digital Accelerometer + Magnetometer - Polol module

Index: PLL-00796

A sensor to determine acceleration and magnetic field. The measurement of these quantities is made possible by an integrated 3-axis accelerometer with a magnetometer. Adjustable measuring range: accelerometer from ± 2 G to ± 11 G, magnetometer from ± 1.3 to ± 8.1 gaus.

LSM303DLHC 3-axis digital Accelerometer + Magnetometer - Polol module
€12.93 tax excl.
Discontinued product
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Manufacturer: Pololu


The product has been replaced by a new LSM303D3-axis digital accelerometer + I2C/SPI magnetometer.

Trzyosiowy akcelerometr ze złączami dołączonymi do zestawuSpecification

  • Power supply voltage: 2.5 V to 5.5 V
  • Current consumption: 10 mA
  • I2C output data (TWI):
    • Accelerometer: 12-bit per axis (aligned to the left)
    • Magnetometer: 12-bit per axis (aligned to the right)
  • Measuring range (configurable):
    • Accelerometer: ±2G, ±4G, ±8G, ±11G
    • 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.

For communication with the central unit, the popular I2C bus (TWI) is used. The outputs are the popular goldpin connectors, which enable the sensor to be connected by wires or directly connectedtothe contactplate. The manufacturer has prepareda libraryfor easy operation of Arduino sets.

The outputs

The sensor has nine leads for mounting goldpin-type connectors - 2.54mm raster (included). On customer's request we can solder the strip.

LSM303 opis wyprowadzeń

PIN Description
VIN Power supply, voltage range 2.5 to 5.5V
GND System mass potential
VDD Output 3.3V.
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.

Module diagram

The system includes voltage regulator and passive elements necessary for proper operation.

Wymiary akcelerometru LSM303

LSM303 - schemat modułu

The system includes voltage stabilizer (3.3V), filtering capacitors and resistors pulling the I2C bus lines.

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

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