MEMS (sensors)

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LSM303AGR calibration & accuracy

Hi,​We have tested our custom LSM303AGR board with MC and EC Libraries that ST provides. We see that our degree calculations accuracy is within +/- 4 degree. That is, we have degree which has deviation of 4 degree when it is stationary. We see that w...

AAYKA.1 by Associate II
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Problem with Bluecoin and echo cancellation

Hy,I'm trying to do some tests on echo suppression using evaluation boards BlueCoin and CoinStation.The software I use is the one provided by ST to interact with BlueCoin that is, FP-"AUD-SMARTMIC1 GUI.exe" in addition to theaudacity.exe program.As s...

apenn.13 by Associate II
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Must LPS25HB reserved pin 3 be grounded?

Pin 3 which is reserved should be grounded according to the data sheet but was left floating on our boards. May this be the cause of SPI issues? Regardless of what we read or write, we see LPS25HB output 0xff11 on SDO. LPS25HB outputs data on fallin...

MStro.1 by Associate
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  • 3 replies
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STEVAL MKI109V3 Unable to enter DFU

Hello I have installed Unico and DFUSE DEMO and all the drivers, and when I connect my board to the PC I can see the virtual com port 6:but when I open dfusedemo, and press button 3 and 2 together then release 3 then 2, I get this:I can't get the S...

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WGeng.1 by Associate II
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  • 2 replies
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www.st.com

Dear community,I found the Q&A but I can't find the place where I can write my own question. So I do it here for now.I have a question about the vl53l0x api. In the API manual they say that you should call it in this sequence:dataInit()staticInit()Pe...

Rvalk.1 by Associate
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MEMS asm330 lhh Power-on PIN INT1 setting

Hi!I'm reading the official asm330lhh datasheet. There is a sentence "INT1 must be set to '0' or left unconnected during power-on" under Table 17 in Chapter 7. This sentence means that when MEMS is powered on, ensure that INT1 is at 0 level or Does t...

0690X00000DXQ5eQAH.jpg
CLiu.2 by Associate
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  • 2 replies
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