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! Question About AVG Filtering in LPS28DFW

I have a question regarding how the averaging filter works in the LPS28DFW pressure sensor (AVG[2:0] in CTRL_REG1).I am wondering whether:A) AVG controls internal ADC oversampling for each individual pressure measurement (i.e., multiple internal samp...

Cannot communicate with LSM6DSV with SPI nor I2C

I designed a small PCB for LSM6DSV but I got no signal on SPI-MISO and got NACK on I2C-SDA.I have replaced several chips but all the chips have the same behaviour(no signal reply).I'm very sure the SPI and I2C pins are correctly connected to LSM6DSV....

pansamic_0-1741676602183.png pansamic_1-1741676713794.png pansamic_2-1741676995350.png IMG_20250311_153603.jpg
pansamic by Associate
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Resolved! Lsm6dsv 9c boot loop after int

 Hi i have a custom lsm6dsv  module  that is getting  a strange result  after 6a 9c then cycles through  int of the imu 9c seem to make it restart its process  and loop it for a for until 6a is back and 9c comes back and does the exact  same process ...

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Resolved! Laser Beam Scanning for smart glasses

Good day,I came across the "STAR1 reference design". The document is a few years old. I am trying to find components so that I can reproduce the reference design. Can someone please help me to find the component: mirrors, drivers, ST piezo mirror eva...

About ASM330LHH STATUS_REG

Please tell me about the STATUS_REG for ASM330LHH. I'm using SPI communication. A similar question was posted earlier, but the situation is slightly different.When I ran the same program on 30 board-mounted samples, 29 of them showed a change in STAT...

ggob by Associate III
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LSM6DSOX MLC ActivityStates

Hi Team,  We are working with the LSM6DSOX sensor and integrating it with two different MCUs: nRF5340 and ATSAMD51, using the I2C communication protocol. We have been able to successfully read the device ID, accelerometer data, and gyroscope data. Ad...

LIS2DUX Step Counter - Maximize Battery

Hello, I am working on adding a pedometer to the Sensorwatch project using this chip.I have the step counter working well, and I also have it working with the LIS2DW. Here's a video of it :)The LIS2DW works by sending 12.5Hz worth of data from its FI...

devolov by Associate
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Footprint LPS27HHTW - connection of central GND pin

Hi,according figure 3 in the datasheet, the pin in the middle (let's name it pin 11) is connected to GND, but this pin is missing in table 1.The linked technical note TN0018 advises to avoid any GND/copper/via below the IC (Figure 12).The eval board ...

bjoern_1 by Associate
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