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! How control Digital MEMS(MP45DT02)?

Hello, ​I am testing the MP45DT02 microphone on 32F4Discovery Board.​The final goal is to measure the sensitivity of the microphone(SPL) when you operate a buzzer with a frequency of 1 kHz.​First I set up the I2S communication as below to activate th...

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DSEO by Associate II
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  • 2 replies
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Resolved! Sensor axis values are not consistent at higher ODR for LSM6DSO.

Hello,I am currently working with LSM6DSO and FIFO functionality.When ODR is set at 52Hz, axis values are correct but when I switch to 104Hz or 208Hz, values are not consistent. I have added my sensor configuration code and image to better explanatio...

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ASoni.2 by Associate III
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  • 4 replies
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LSM303AGR SPI Read Problem

HiI have lsm303agr mems sensor with stm32g4. It uses 3 wire SPI mode. I have problem with SPI communication. I used CubeMX with HAL mode and STMems_Standard_C_drivers for lsm303. The problem is that, when i read whoami register it reads 0x33 which is...

AAYKA.1 by Associate II
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Not able to read accurate X, Y, Z, values of gyroscope

Hi Team,I am working with lsm6dsl 6 axis sensor , connected MT7621 processor via I2C.I would like to use gyro sensor only and followed the below setting in user space application.CTRL2_G (11h) = 0x60 (Gyro full scale 250dps, 416hz)INT1_CTRL (0Dh) = 0...

Vpava.1 by Associate
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  • 1 replies
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Why the LIS2DW12 is going into the power-down mode on restart?

(newbie)I'm configuring the registers using the STEVAL-MKI179V1 & STEVAL-MKI109V3 using Unico (see attached please)I'm planning to use int1=double_tap, int2=sleep/wakeup and to pull over spi from time to time the data (continuous mode).After i config...

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BPiti.1 by Associate
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Resolved! HTS221 Init and Deinit Sensor

I am working with HTS221 Humidity and Temperature sensor on STM32L4 IoT node eval board. So far its working fine as far as inint and read data apis are concerned. However i have couple of questions reagarding de_init (disable) the sensor i.e putting ...