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! LPS22DF static addresses: 0x6B/0x6A or 0x5C/0x5D

We have a STEVAL-MKI224V1 kit, which should be equipped with a LPS22DF. I have tried to use the static (I2C) address of the sensor, and after much time, I discovered it is (depending on the state of SDO) 0x5C/0x5D, and not 0x6B/0x6A, as stated in the...

tcachat by Associate II
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LIS3DH Excess Current Associated With INT1 Setup

Hello,We have implemented the LIS3DH with a nRF52832 in I2C mode on our board, and are using the accelerometer to detect motion and vibration events. The LIS3DH internal high-pass filter and threshold detection are used to generate the INT1 interrupt...

CBraun by Associate
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LM6S3TR device FIFO pattern incorrect

Hi there!I'm having issues with my LSM6DS3TR device FIFO. I am trying to read and process all values stored in the FIFO by the accelerometer every interval using I2C. I am doing this by:1) Retrieving number of unread messages in FIFO at addresses 3Ah...

Programming MP34DT05-A MEMS DIGITAL MICROPHONE

Hello everyone,My goal is to record audio from one MP34DT05-A microphone via SAI PROTOCOL in an STM32F446 Nucleo Board. In resume, I receive data from microphone via DMA, then I make the transformation via PDM2PCM Library and write the buffer into an...

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ALope.1 by Associate II
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Resolved! How to calculate dB from the mems microphone data?

Hello all.I would like to ask how to calculate dB from a data recorded by a MEMS microphone.I currently use the MP34DT04 on the SensorTile Kit. I checked the SensorTile can record sound with the microphone, and store a wav data file in MicroSD.In the...

Resolved! LIS2DW12 Accel schematic review

Hello,I'm designing a custom board with a LIS2DW12 accelerometer for motion detection. I want to use INT1 to send a signal to the MCU when it detects movement, which should wake up the whole system. The accel supports both i2c & SPI communication but...

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neeld by Associate
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Does LSM6DSOX MLC have permanent memory?

1- Is there a permanent memory in LSM6DSOX for machine learning? In other words, does the ".ucf" file that we load in case of power off or reset become permanent?2- Can we load the ".ucf" file without using "STEVAL-MKI109V3"?3- Can we load the ".ucf"...

bkrzn by Associate
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