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

LSM9DS1 SDO not tri-stated

I need several LSM9DS1 sensors one the same SPI line. However, I noticed that when CS is high, SDO (aka MISO) is not tri-stated but pulled down to GND.I thought this was due to the default double-interface (SPI/I2C), so I have enabled the I2C_DISABLE...

DMona.1 by Associate
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Resolved! Need help in selecting an accelerometer for my application.

I want to ensure that the user fits our portable battery powered radar onto the back of a vehicle in the correct orientation. I want to monitor this using an accelerometer, I am considering using the LIS2DH12 but I'm not sure if this is suitable and ...

TMahm.2 by Associate II
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  • 3 replies
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Resolved! Temperature offset in LSM6DSRX's Temperature sensor

I'm using the temperature sensor in LSM6DSRX.In page 12 (4.3 Temperature sensor characteristics) of the Datasheet (see the image), what is "Toff" (Temperature Offset)?The Table 4 gives a range of -15 to +15 C for Toff, what is this range for? The Tab...

0693W000007Cwx3QAC.png
AFars.1 by Associate
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Resolved! Anomalous acceleration values from some LSM6DSLs: are they damaged?

I've used a number of times LSM6DSL IMU sensors and I never had any problem with them: they are in general very precise and straightforward to use. However, in a recernt pre-production run, some accelerometers provided strange values on one or two ax...

ADi S.2 by Associate
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Using LIS3DH with VDD only and using VDD_IO for setup only.

Question is if I can use LIS3DH with VDD only (3.3v) , and VDD_IO (1.8v) supply only during configuration ? And in this case, what power use INT1 and INT2 pins ? If possible to run on VDD only with having them working (at least as OD ?).Datasheet is ...

GLuts.1 by Associate
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Resolved! HOW TO DEBUG BOOTLOADER USING CUBEIDE

hi, I am trying to debug the bootloader which comes with sensortile.box to change it for my requirements. In doing so I want to inspect how it works using debug session. But unfortunately, when starting to debug the session the curser doesn't even re...

MImda.1 by Associate III
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  • 1 replies
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LSM6DSL Gyro 800Hz Noise

Hello,When configuring the LSM6DSL ( STEVAL-MKI178V1 ) to sample Data at 6664 HZ ( without any digital Filters active, FS= +- 16g, +- 250deg/s ) there seems to be an consistent 1deg/s @ 800Hz noise on some gyro axis. The same signal but stronger ( > ...

0693W000007CTzeQAG.png 0693W000007CU0DQAW.png
JWoeb.1 by Associate II
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  • 3 replies
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Resolved! About FIFO of gyro sensor I3G4250D

Is it stored in the FIFO when the threshold of the INT1_THS register is exceeded?Or is it stored regardless of the threshold of the INT1_THS register?

HIMAM.1 by Associate
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LSM9DS1 Gyro drifting while shutdown

I have an application with a LSM9DS1 that is powered up for a few minutes at a time and then shutoff. It might be powered up again for a few minutes within the same day, or be used only the day after or a few days later. The purpose is to get angular...

PRebo.1 by Associate II
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