LSM303DLHC e-Compass 3 axis Accelerometer and 3 axis Magnetometer Module

Introduction

The LSM303DLHC is a digital 3 axis accelerometer and 3 axis magnetometer with I2C interface. It has full-scale acceleration range of ±2g to ±16g and full scale magnetic field range of ±1.3 to ±8.1 gauss. All the full scale ranges are user selectable. Module has on board low drop voltage regulator which takes input supply in the range of 3.6V to 6V DC. Board has two mounting holes. All 9 pins of the module are arranged in single line. LSM303DLHC’s I2C serial bus interface supports standard (100 KHz) and fast mode (400 kHz). It is most suitable for tilt compensated compass, quadrotor and robotics application. For LSM303DLHC application interface example available based on LPC2148 ARM7 microcontroller. LSM303DLHC has application example based on LPC2148 ARM7 microcontroller.

Downloads

LSM303DLHC Datasheet
LSM303DLHC Module User Manual
Interfacing LSM303DLHC 3Axis Digital Accelerometer with LPC2148 ARM7 microcontroller over I2C port.

Applications

• Robotics
• Quadrotor
• Tilt compensated compass
• Position detection
• Motion-activated functions
• Pedometer
• Display orientation
• Gaming and virtual reality input devices
• Impact recognition and logging
• Vibration monitoring and compensation

LSM303DLHC Module Features

• Onboard 3.3V Low Drop voltage regulator with input range of 3.6V to 6V.
• Logic supply voltage range of 1.8 to 3.3V. Logic supply pin is accessible through 9 pin header
• Dimensions: 0.9”(L) X 0.5”(W)
• 2 x Mounting holes
• 3 magnetic field axis and 3 acceleration axis
• Full scale range of ± 1.3 to ±8.1 gauss magnetic field
• ±2g/±4g/±8g/±16g user selectable full-scale acceleration ranges
• 16 bit data output
• I2C serial interface
• Power-down mode/ low-power mode
• 2 independent programmable interrupt generators for free-fall and motion detection
• Embedded temperature sensor
• 6DOF orientation detection

Package contains

One LSM303DLHC 3-axis Digital Accelerometer and Magnetometer Module with Voltage Regulator
9 pin female Berg connector
Four M3 6mm Screws
Two 12mm Studs

Dimensions

Schematic

I2C interface between MMA8451Q and 3.3V microcontroller

Note:
3V3OUT is capable of delivering 3.3V@ 40mAmps. It can be used to set up pull ups for I/O pins related to LSM303DLHC. It should not be used for other purposes.

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