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

User calibration for LSM6DSM IMU?

I'm designing production test for a board that integrates the LSM6DSM imu. I was wondering if it was necessary to do any calibration of the IMU during the test process or if the factory calibration is sufficient?

PCher.4 by Associate
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  • 1 replies
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PDM microphone glitch at beginning of the recording

Hello,I'm using the IMP34DT05 microphone using the I2S interface. I'm sampling at 22kHz but I have a problem when I look at the recording saved on micro SD. In the first part of the audio, I see a glitch and then an exponential decay of that spike (s...

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frnt by Senior
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  • 13 replies
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What could cause the LPS22HH boot phase to never finish?

I am evaluating the LPS22HH for a product, but the device acts a bit unreliably. After power-on, sometimes the BOOT_ON bit in INT_SOURCE (24h) is never cleared.I wait for at least 500ms before checking the BOOT_ON bit, so that should be plenty of tim...

jopuc by Associate II
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  • 1 replies
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Question about LPS22HH: about POR

I read document AN5209. This said " VDD must be lower than 0.2 V for at least 10 ms during power-off sequence for correct POR. (3.1 Figure 2)"If POR did not finish correctly, is there the possibility to be read the un-correct data?

TOMY.OKA by Associate II
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  • 2 replies
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Could not read and write the ISM330DLC each 10ms period

Dear ST Hello,I am trying to use the ISM330DLC 3D accelerometer and gyroscope with the stm32F329Discovery board and I am facing some problems when I want to read and write all the registers every 10 ms ISR period.I want to try to change the registers...