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

STHS34PF80 – Data remains constant, TOBJECT = -48

Hello,I am trying to get the STHS34PF80 sensor working on an STM32L0 platform via I²C. My initialization sequence is as follows:Algorithm reset according to AN5867:CTRL2 (0x21) = 0x10 // FUNC_CFG_ACCESS = 1 PAGE_RW (0x11) = 0x40 // FUNC_CFG_WRITE = ...

LPS28DFW Mechanical Limit

Hello everyone, I plan to use the LPS28DFW barometer to measure the final pressure after a drop from 30 atm. I only need to sense the final pressure within the sensor’s specified working range, but I’d like to know whether exposure to the initial 30 ...

Looking for NFC/BLE P2P wearable

My partner and I are creating an app designed for P2P as well as traditional user/vendor interaction. We need a wearable that can create a mutual event on the back end when the two wearables touch or are in close proximity. I see the ST25R3916 or STM...

ODR rate on ISM330DHCXTR

Hello, I'm using (ISM330DHCXTR) accelerometer to calculate the phase difference between two axes to measure the movement of a system. configured ODR at 6.6 KHz and measured the operation frequency of the system which has a 10% error while measuring t...

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....

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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...