The LSM303D is a sensor from STMicroelectronics.
https://pdf1.alldatasheet.com/datasheet-pdf/view/929289/STMICROELECTRONICS/LSM303D.html
- 3 magnetic field channels and 3 acceleration channels
- ±2/±4/±8/±12 gauss magnetic full scale
- ±2/±4/±6/±8/±16 g linear acceleration full scale
- 16-bit data output
- SPI / I2C serial interfaces
- Analog supply voltage 2.16 V to 3.6 V
- Power-down mode / low-power mode
- Programmable interrupt generators for freefall, motion detection and magnetic field detection
- Embedded temperature sensor
- Embedded FIFO
- ECOPACK®, RoHS and “Green” compliant