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

Resolved! Qvar array

Hi all,  Would it be possible to have an 8x8 array of capacitive pressure sensors connected to the Qvar pins by an analogue multiplexer.I would like the qvar to effectively scan across the sensing array. 

TKula by Associate
  • 761 Views
  • 1 replies
  • 1 kudos

Resolved! LSM6DSV16X AN5755

Hi, it seems there is a typo in AN5755 at page 8 ch.4.2 it says: "Moreover, Qvar data can be stored in FIFO (by setting the QVAR_BATCH_EN bit to 1 in the COUNTER_BDR_REG1 (0Bh) register)". This statement doesn't apply to LSM6DSV16X, because it is not...

licio by ST Employee
  • 1131 Views
  • 1 replies
  • 0 kudos

Integration of the example code for ilps28qsw

Hello everyone,I want to connect my pressure sensor (ilps28qsw) and have written the code in C and using I2C. If I use the example code as in the following link, and do nothing else, it works. For example, if I pull the variables (see below) out of t...

Jens4 by Associate II
  • 1346 Views
  • 5 replies
  • 0 kudos

finding location without GPS

I am currently working on a project involving the SensorTile.Box and am seeking assistance with utilizing its gyroscope and accelerometer sensors to determine location in the absence of GPS signals. Specifically, I am interested in processing the sen...

Eneasy by Associate
  • 1192 Views
  • 2 replies
  • 1 kudos

Resolved! ISM330DHCX I2C issue

Hi,I'm evaluating the ISM330DHCX by connecting it on a board with a linux device (imx8) through I2C. (using the st_lsm6dsx - (compatible = "st,ism330dhcx") device.All of this seems to work out of the box, and I can read accelerations through IIO sysf...

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Resolved! Strange whoamI value LSM6DSO32

Hi allI'm working with an STM32F405 and one LSM6DSO32 and one LIS2DU12, eveyrthing works fine, but sometimes, for unknow reason, I go a strange whoamI from my captor, I got 0x20 value, I reset my mcu and it's works fine, any idea ? For my driver I us...

SBaro.11 by Associate III
  • 1993 Views
  • 7 replies
  • 1 kudos

Resolved! Unico GUI Meta-classifier Issue

I am using LSM6DSOX for my project. As far as I understand, meta-classifiers need to be separate for each function (for my project). But I cannot separate two_hands_free and pushing_chart functions. I think this would pose a problem for machine learn...

Ekran görüntüsü 2024-07-29 162602.png
ttugur by Associate
  • 866 Views
  • 1 replies
  • 1 kudos

Wake-Up current of IIS3DWB

I am making my own wake up interrupt program based on P16 of the application note, and it is working fine. However, I noticed that I have to enable IIS3DWB to use the wake up function, which increases the overall standby current of the system by abou...

chenjy96 by Associate
  • 475 Views
  • 0 replies
  • 0 kudos

Error in raw data IIS3DWB

Hello, I am encountering strange samples in the raw data using the IIS3DWB accelerometer. I can make several requests for raw data without issues, but at a certain point, I receive data with incorrect values at specific sample positions. Whenever an ...

GThabet by Associate II
  • 1694 Views
  • 3 replies
  • 0 kudos

LSM6DSL Accelerometer data deviation

Hi,We are using LSM6DSL for one of our products and in that we have noticed that the Z-axis Accelerometer deviates due to change in temperature for a stable orientation as shown below which is affecting pitch of the product  by -1 to -2 deg.    The I...

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