MEMS (sensors)

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bring up sensors on steval-mki128v6

Hi,When bring up sensors on steval-mki128v6,  for accelerometer and gyro,  read out who_am_i value is 0x6A, which means lsm6dsm. I can use user application to get samples. But I can't find any steval-mki128v6 document online.V5 is lsm6ds3, V7 is lsm6...

lola by Associate
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  • 1 replies
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IMU sensor LSM6DSV FIFO Timestamp drift

We are observing that LSM6DSV FIFO Timestamp is drifting at a constant rate when Gyro sensor is enabled.Our ImplementationWe are using 6-axis IMU sensor LSM6DSV with st_lsm6dsvx driver from ST GitHub and integrated with OSD32MP157 SiP.We've modified ...

sw_clock _Screenshot 2023-06-14 at 1.18.28 PM.png hw_clock_image.png
farid by Associate II
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  • 1 replies
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Calculating Analog reference voltage using vref macro

I am using stm32wl55 controller to Calculate Analog reference voltage using vref macro, which is defined as follows:#define __HAL_ADC_CALC_VREFANALOG_VOLTAGE(__VREFINT_ADC_DATA__,\                                          __ADC_RESOLUTION__) \__LL_AD...

Aanchal by Associate II
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Resolved! Gesture EVK 1.4.0 doesn't communicate with VL53L8CX

Hello,I have a problem with the Gesture Evaluation Kit v1.4.0(EVK from now on) in combination with Nucleo F401RE and VL53L8CX ToF sensor. After uploading the binary file that comes with EVK, the GUI app sees the comport that Nucleo is connected to, b...

VToma.11 by Associate II
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  • 1 replies
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Resolved! IIS3DWB ODR at selected bandwidth of ODR/4 on LPF2

Hello Community,I am unsure what the ODR will be for the IIS3DWB sensor when we select the bandwidth of ODR/4.Kindly suggest the relationships if available, I did not find any mention in the datasheet except for Table 45.Are there any setting to sele...

Chubs_0-1690607232220.png
Chubs by Senior
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  • 4 replies
  • 2 kudos

Not receiving valid PDM data from MP34DT06J

Hi,I have spent the last 2 weeks working on a project with the STM32F102CBT6 that includes the MP34DT06J MEMS microphone, but so far I have been unable to get it to output a valid PDM data stream. I have tried using both the SPI1 in master receive mo...

TomLillie by Associate II
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  • 8 replies
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B-l475E-IOT01A connection for unico GUI with LSM6DSOX

Hello,I am trying to develop an audio classification through a decision tree in unico GUI platform using the mlc for lsm6dsox. I have the B-l475E-IOT01A motherboard and I want to know if it is possible to use the sensor LSM6DSOX with this motherboard...

SRodr4_0-1690999603521.png
SRodr.4 by Associate II
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Reading bad data from LIS2MDL using 3-wire SPI

Sensor: LI2MDLMCU: STML072I am trying to read the who_am_I register (register 0xAF) with the 3-wire SPI setup, but it is returning the wrong data.Below is a screenshot of the transmission and the return from the LIS2MDL. The transmission's first bit ...

Cfaya1_1-1690604682247.png
Cfaya.1 by Associate II
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Resolved! DRDY not returning low on AIS2IH

I am using the AIS2IH and polling the DRDY bit of STATUS to see when a new sample is available .  I am using single data (on demand) mode and ODR bit is set.  The spec sheet says that DRDY returns low after the high part of X,Y or Z has been read, bu...