Electronics » Sensors » Accelerometers, Gyros, & Compasses »
LSM303DLHC 3D Compass and Accelerometer Carrier with Voltage Regulator
 
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The LSM303DLHC combines a digital 3-axis accelerometer and 3-axis magnetometer into a single package that is ideal for making a tilt-compensated compass. The six independent readings, whose sensitivities can be set in the ranges of ±2 to ±16 g and ±1.3 to ±8.1 gauss, are available through an I²C interface. This LSM303 carrier board includes a 3.3 V voltage regulator and integrated level shifters that allows operation from 2.5 to 5.5 V, and the 0.1" pin spacing makes it easy to use with standard solderless breadboards and 0.1" perfboards.
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| Description | Specifications (7) | Pictures (5) | Resources (6) | FAQs (1) |
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File downloads
- LSM303DLHC datasheet (629k pdf)
- Datasheet for the ST LSM303DLHC 3D accelerometer and 3D magnetometer module.
- Using LSM303DLH for a tilt-compensated electronic compass (1MB pdf)
- An application note by ST on how to use the LSM303DLH as a tilt-compensated compass. This application note mostly applies to the very similar LSM303DLM as well (when replacing the DLH with the DLM, the main difference to note is that the magnetometer Y and Z registers have been swapped).
- UM10204 I²C-bus specification and user manual (371k pdf)
- The official specification for the I²C-bus, which is maintained by NXP.
Recommended links
- LSM303 Arduino library
- This is a library for the Arduino that interfaces with our LSM303DLM and LSM303DLHC 3D compass and accelerometer carriers as well as the compass and accelerometer ICs on the MinIMU-9 and MinIMU-9 v2 (it also works with the LSM303DLH on older versions of those boards). It makes it simple to configure the device and read the raw accelerometer and magnetometer data, and it has a function for computing the tilt-compensated heading for those looking to use the LSM303 as a tilt-compensated compass.
- mbed Library for the LSM303DLH
- This is a library for the ARM mbed development board that interfaces with the LSM303DLH 3D compass and accelerometer carrier and provides the tilt-compensated magnetic heading. It can be easily modified to work with the newer and very similar LSM303DLHC 3D compass and accelerometer carrier by swapping the magnetometer Y and Z registers. This library was not written and is not maintained by Pololu.
- Quick and Dirty Compass Calibration in 3d
- A Bot-thoughts.com blog post about calibrating the LSM303DLH’s magenetometer and visualizing magnetic distortions. The post can generally be applied to the very similar LSM303DLM and LSM303DLHC as well.
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