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

Twait: LSM303CTR Why is there a Twait for IO pins and Vdd?

In the datasheet Twait was added to inform us to delay between powering up Vdd_IO and Vdd. However, the Twait timing says that there should be 0-10 mS wait period between Vdd-IO and Vdd. After waiting 0.1 - 100 ms Rise Time for Vdd-IO. What is the...

TSing.13 by Associate
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Send MEMS-Mic-Audio to PC-Host

Hi, I try to connect a Nucleo-144-Board to Audacity. The Project is based on CubeMx5.2/STM32Cube_FW_L4_V1.14.0. I've read (successfully) in a Mems-Mic via SAI1/DMA2. The USB-Audio-Device is shown in the Device-Manager and seems to be OK. I've read th...

TTimm by Associate II
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State Machine and stack size ?

Dear Members,I have a state machine but it seems that it stuck in one state,Is it related with stack size ?It's stuck on "case PULSE_IDLE" no matter the value of sensor_value,The code :switch(currentPulseDetectorState) { case PULSE_IDLE: ...

LIS3MDL Magnetometer Calibration

Hi, From what I've been told, the LIS3MDL magnetometers self-calibrate upon turning on. I have taken some readings from 3 different LIS3MDL's and plotted the values in a similar way to the beginning of this tutorial: https://thecavepearlproject.org/2...

0690X000008aEipQAE.png 0690X000008aEj4QAE.png 0690X000008aEklQAE.png 0690X000008aEkqQAE.png

How to derive the comparison limits for LSM6DS33 self-tests?

Regarding this thread:https://community.st.com/s/question/0D50X00009XkX2bSAF/lsm6ds33-problem-with-self-test?t=1558067735502The last comment by Petr says that the self-test values such as Min(ST_X) are derived from the Full Scale range, but he doesn'...

DAntl by Associate
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