MEMS (sensors)

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MotionFx Magnetometer calibration issue

Hello Everyone!!!I am using STM32F401CBU6 controller along with 2 sensors ie., (ISM330DLC & ISM303DAC) in my project. I have included motionfx library and getting Roll, Pitch, Yaw and Heading, but the heading is not getting calibrated and values are ...

FX_Run.PNG Init.PNG Mag_Calib.PNG
Anil3 by Associate III
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LIS3MDL - Problem with readings after calibration.

We embed lis3mdl on our board that we produce, most of them are perfect, unfortunately there are single pieces where the magnetic north is wrong, the heading is wrong by up to 60-100 degrees. What could be the reason ? Regards. 

TBart.1 by Associate II
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Hard Iron Calibration

Hello Everyone!!!I am using ISM303DAC in my project E-Compass, I am facing an issue regarding hard iron calibration. in datasheet it is mentioned that we have do hard iron calibration using external processor  and has to store those values in the int...

ISM303DAC.PNG
Anil3 by Associate III
  • 108 Views
  • 2 replies
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How to compensate compass drift

Hello Everyone!!!I am using ISM303DAC Mems sensor for my project ie., E-Compass.I have used MotionMC and MotionEC libraries to get the heading value i my compass is getting calibrated by MotionMC and after that i am sending those calibrated values to...

Anil3 by Associate III
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Resolved! Facing issue with MotionMC library

Hello Everyone!I am working on a project Ecompass using controllers STM32F401CBU6 and mems sensor ISM303DAC. can able to read raw values of both accelerometer data and magnetometer data properly and after reading the magnetometer data i am parsing ma...

Anil3 by Associate III
  • 769 Views
  • 12 replies
  • 1 kudos

LIS3MDLTR Data Ready (DRDY) on INT pin

Hi! I've got a product that we've just made a load of and while building out the firmware I realised that the INT pin on the LIS3MDLTR doesn't (at least according to the datasheet) appear to be able to be configured to show when new data is ready. Th...

gw by Associate II
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  • 4 replies
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Resolved! Lis3MDL - SPI multiple IC bus

HiI saw that the CS and I2C enable are on the same pin and also the SPI and I2C CLK and data.Does it means that this component can not be with other SPI IC on the same line? (because when the CS is 1 while talking to other ICs it will be in I2C mode ...

orsamoo by Associate II
  • 369 Views
  • 6 replies
  • 0 kudos