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

What is the minimal initialization sequence for the L3GD20 Gyro?

Two questions:(1) If I want to poll the status register instead of using interrupts, and don't want to use the FIFO, is the following initialization sequence sufficient? uint8_t cmd ; GYRO_IO_Init() ; // Enable Block Data Update and full scale = 2000...

DLewi by Associate II
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LSM6DSO SPI communication problem

Good morning,I am trying to read the WHO_AM_I register from LSM6DSO, but it doesn't respond as needed. I will attach a picture from signal analyzer (D0 is CS, D1 is CLK, D2 is MISO, D3 is MOSI). It looks like its respond is 0x50 instead of 0x6C. What...

LSM6DS3 LIS2MDL LPS22HB HUB

Hello,i studied extensively the "sensor_hub_lis2mdl_lps22hb_no_fifo_simple" example so i can use the LSM6DS3 with an external magnetometer. There are 4 lines that i cannot understand, in the main example there is the code below /* * Configure LI...

Alex Dim by Associate II
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ST LIS2DE12 1LSb = 16mg @FS = +/- 2g ?

Dear ST Community Members,I have question,Related with ST LIS2DE12 1LSb = 16mg @FS = +/- 2g ,What does it mean in math calculation ?Datasheethttps://www.st.com/resource/en/datasheet/lis2de12.pdfpage 43Thanks

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Strange acc values from LSM6DS3

I have several boards with the LSM6DS3 mounted. Some of them (about 50%) work fine, the others show strange results on the acc values. Gyro and temperature seems OK.The ACC show strange values (0x33db 0xffb9 0x07e4), which results in approx 5G if the...

harald by Associate III
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FSM#4: How to… structure your FSM: define the flow

To get a deeper insight of the FSM, a brief explanation of the "instruction section" is needed. It's one of the last steps towards a complete understanding of the LSM6DSO FSM.Instruction section is made by a set of commands and conditions. When the i...

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Resolved! Evaluation board STEVAL-MKI109V3 is not working after firmware upload

Hi,I installed the Unico 7.0.0, the driver for the MKI109V3 and the DfuSe application contained in the MKI109V3 package. I wanted to upload the firmware on the board as the instruction manual UM2116 says. Therefore I changed the board to DFU mode and...

VGuer by Associate II
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