MEMS (sensors)

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Resolved! SensorTile.box PRO : Record human activity and pedometer

Hello, @Andrea VITALI,After using the WESU board (https://community.st.com/t5/mems-sensors/lsm6ds3-lis3mdl-calibration/td-p/762534)we decided to move forward with the sensor tile box PRO. We want to record human activity recognition and pedometer inf...

pierre63 by Associate II
  • 1237 Views
  • 11 replies
  • 2 kudos

Resolved! SPI NSS-Signal by Hardware, using IIS3DWB on an STM32L432 MCU

Hello!We are developing with the sensor IIS3DWB. I am able to interface it by spi like mentioned in st's github example, and I'm able to use st's platform independend c-drivers. It works fine, I get Acceleration, Temperature, device-ID...In that exam...

PR.4 by Associate II
  • 1015 Views
  • 3 replies
  • 0 kudos

Lis3dh reading not repeatable/stable

HiWe are developing a project in which we are using LIS3DH to calculate the angle and based on that angle we stop/start an actuator.The sensor is mounted on a PCB which is aligned along x axis i.e. when stationary the acceleration in x axis is 1g * 9...

lis3dh.png
pthakkar by Associate II
  • 116 Views
  • 0 replies
  • 0 kudos

ASM330LHH gyro anti-pre-ADC aliasing filter

Hello, we are using the ASM330LHH in our product and are doing some bandwidth testing and trying to model the gyro channel behavior. Our settings are ODR = 6667Hz, LPF1 bandwidth = 470, LPF2 =3333Hz. Looking at the data sheet "Gyroscope filtering cha...

tjbh by Associate
  • 486 Views
  • 3 replies
  • 0 kudos

ISM330DLC FIFO AXL+Gyro+Timestamp

Dear SupportI want to add timestamp registration to the FIFO.I already use FIFO to save gyroscope and accelerometer samples, but I'm struggling to add timestamps.Since ODR is too high for polling mode the only solution is this one.I attach some code ...

Screenshot 2025-02-05 155202.png

LIS2MDL SPI 4 Wires

Hi,I'm trying to use LIS2MDL magnetometer sensor with 4 wire bus but I'm encountering a problem with the library.Here is my init function:lis2mdl.c library screenshot:On line 122,  my instance is always initialized (is_initialized=1) by the init func...

AKE1_1-1740668649031.png AKE1_0-1740668313869.png
AKE1 by Associate II
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  • 3 replies
  • 0 kudos

Resolved! Ultra-low power IMU for step counting

I need to develop a low-power embedded device with pedometer functionality. I'm looking at the LIS3DH because of it's low power, but there's no built-in pedometer application. I've also looked at the LSM6DSL, as it has built-in pedometer support, but...