MEMS (sensors)

Ask questions and find answers on ST MEMS sensors, such as the LSM6DSV and the LSM6DSL. Learn how to use the SensorTile.Box, and STEVAL kits.

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Forum Posts

MotionFX output stuck at zero on STM32L476 Discovery

Hi everyone,I am struggling to get MotionFX (9-axis sensor fusion) working on an STM32L476G-DISCOVERY board using the onboard LSM303C (Acc/Mag) and L3GD20 (Gyro).The Problem: Despite the library being initialized and updated in the main loop, all out...

Resolved! Lis3dh : X Y & Z value and Threshold configuration

Hello,I have two technical questions regarding the lis3dh accelerometer behavior and interrupt configuration.1) Are the values I read from the LIS3dh  in m/s²????  Exemple :::Accel [LIS3dh] 28807220458ns (-7.300384, -1.942303, -5.712095)2) Interrupt ...

ASREB by Associate II
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  • 1 replies
  • 1 kudos

Accelerometer zero-g level change over time

Hi,I am using IIS2ICLX MEMS accelerometer in an IOT device.The IIS2ICLX is soldered on a PCB that sends data to internet every 10min.To measure the zero-g level of both x and y axis, I suspend the device from the ceiling so that the PCB (and the acce...

Resolved! ISM330DHCX Measurement

Hi. I have been looking at the internal operation of MEMS devices and am looking for information on how this sensor takes the reading from the mechanical parts. I am trying to find out if this sensor uses capacitive sensing or frequency drift and tim...

jhurd by Associate
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  • 1 replies
  • 0 kudos

Resolved! LSM6DSV320X sensor not responding

Hello everyone. I would really appreciate if someone could help me sort out a really annoying issue i have with a new STM32WB5MMGH6 based board i made.On this board i have two sensors connected to the same SPI interface (hspi2) with different CS pins...

Screenshot 2026-04-15 at 14.24.40.png Screenshot 2026-04-15 at 14.25.41.png Screenshot 2026-04-15 at 14.29.50.png Screenshot 2026-04-15 at 14.31.57.png
yaxsomo by Associate III
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  • 3 replies
  • 2 kudos

ims330dlc Gyro signals

Hi Does anyone know how to stabilize the gyroscope and accelerometer signals. I am getting signals back but I am trying to move a radio button on a bullseye and can't seem to smooth out the signal. I am using I2C communications.  

ODR rate on ISM330DHCXTR

Hello, I'm using (ISM330DHCXTR) accelerometer to calculate the phase difference between two axes to measure the movement of a system. configured ODR at 6.6 KHz and measured the operation frequency of the system which has a 10% error while measuring t...