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

LPS22HB - BDU feature

I'm using the device in STREAM mode, with BDU=1.The datasheet says that PRESS_OUT_H must be the last read (enables an update).In one of my experiments it appears that it's actually a read from TEMP_OUT_H that causes an update.I've also noticed that s...

Eric V by Associate
  • 480 Views
  • 1 replies
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LSM9DS1 - Component positioning for magnetometer data coherence

Hi,I am using a LSM9DS1 IMU on a custom PCB for the development of a dead reckoning feature.First step is quaternion calculation, and in order for this to be precise and reliable, sensors data have to be too. However, I'm having issues with the magne...

PBogr by Associate
  • 606 Views
  • 2 replies
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IIS3DHHC lost factory calibration

I've done a lot of testings with two IIS3DHHC and everything seems fine. Suddenly one of the IIS3DHHC seems to lost the factory calibration. Is this possible? A lot of the tests have been done below freezing point -10C degree.In our solution, the Vdd...

JNygr by Associate II
  • 841 Views
  • 4 replies
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Using IIS328 for tilt measurement: is there calibration required for angle accuracy of less than 3°? What is the long-term stability after a calibration?

I want to measure the tilt angle with an accuracy of +/-3°, with the IIS328 accelerometer. The datasheet states that the sensitivity varies between 0.9...1.1 mg/digit. Does this variation also apply between the axis, so that e.g. X-axis can have sens...

LSM6dsl interrupt on axis threshold

There is any workaround for doing this with a LSM6DSL? I understand the available interruptions like WAKE_UP, significant movement,4D, 6D..... are designed for other kind of uses, mainly smartphones and wearables.But I need an interruption old-style...

David LR by Associate II
  • 502 Views
  • 1 replies
  • 0 kudos