MEMS (sensors)

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Why does LPS25HB show wrong pressure value?

I'm using LPS25HB in my card. I can take correct temperature value but I can't draw pressure data as correctly. It show me that my Pressure is approximately 500 hpa but actually my pressure value is approximately 500 hpa. Is there any solution for th...

OCICE.1 by Associate
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  • 1 replies
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Resolved! How to use IIO triggered buffer?

I use ASM330LHH as Linux IIO.Source and DTS were added.We found that /sys/bus/iio also added a device.I also checked reading data in direct mode from sysfs.Therefore, I think there is no problem with the H/W connection.​I want to use Trigger mode to ...

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Simon.Ko by Associate II
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  • 4 replies
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VL53L0X Divide by Zero error in API

Hi all, Got a divide-by-zero exception whilst porting the API to the ESP32. The error occurs at line ~1960 in vl53l0x_api_core.c in this bit of maths: sigmaEstRef = VL53L0X_isqrt((cDfltFinalRangeIntegrationTimeMilliSecs + ...

RMill.3 by Associate
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  • 3 replies
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Resolved! LIS2DH Raw output to Temperature conversion

I saw below topics.How can i see discussion 71915817?***The datasheet doesn't specify how to convert register (OUT_TEMP_L (0Ch), OUT_TEMP_H (0Dh) ) data to actual temperature. let's say for example if reg 0x0c = 0x7 value and reg 0x0d = 0x00 value, t...

BBQ by Associate II
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Resolved! If Hang up I2C interface of the LIS2DH

If Hang up I2C interface of the LIS2DH, How can i reset the device except VDD OFF/ON operation?I am considering to send 9-clocks to the SCL of the LIS2DH.

BBQ by Associate II
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  • 1 replies
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Sinc Filter Order and value output of DFSDM

Hello dear ST-Forum,I'm currently working on DFSDM and MEMS-Microphone and am trying out the sinc filters. By changing the filter order e.g. from filter order 1 to filter order 3, the values increase dramatically. I have not found any proper calculat...

crackl1ng by Associate III
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