MEMS (sensors)

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Resolved! Use of DRDY_M & DEN_A/G in LSM9DS1?

I am trying to build custom boards using LSM9DS1, I shot through the data sheet, but the information on these two pins is not clear enough? What is the purpose of these pins(DRDY_M & DEN_A/G)?

VKoga.1 by Associate II
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  • 6 replies
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Resolved! For the IIS3dWB ODR and sampling rate...

I need to confirm what the ODR represents - the default ODR is 26667Hz. But what is the actual internal sample rate pre anti-aliasing filter (which must be implemented internally)?Assuming the actual Fsample is at least 26667, then ODR simply represe...

ESpen.1 by Associate
  • 462 Views
  • 2 replies
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Resolved! How to Synchronize multiple LSM6DSOs

Hello fellow ST guys. I'm working with the LSM6DSO IMUs in my project. Nice chip indeed. Now I need to connect multiple IMUs and I need to synchronize them, so that I can read the data from all of those chips sequentially (asserting chip select pins...

Pajaka by Associate III
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  • 1 replies
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SensorTileBox SL-MKSBOX1V1 - Cloud and MQTT

Hi I have four questions please: 1- is there a new version of the UM2499 pdf manual, as most of the links are broken ? 2- I get this error with IBM watson IoT quickstart - (kCFErrorDomainCFNetwork error 2), i get this in different Iphones. As i thoug...

Hjawa.1 by Associate II
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  • 3 replies
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ST_ sensors driver linux BIG PROBLEM

I have an embedded platform AT91SAM9260 based running on a buildroot based Linux with kernel 4.19.78-linux4sam-6.2 which includes an LSM6DSO and a LIS2MDLTR as well.When st_* drivers are loaded all communications via i2c is returning EBUSY and even ...

PRegn.1 by Associate II
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  • 6 replies
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Hello, I'm working with STEVAL-STWINKT1B kit and the latest version of FP-SNS-DATALOG1 sw package. I'm trying to set the ISM330DHCX 's ODR to 208 samples/s but in this case the acquisitions are corrputed. Is there any known bug?

The ODR is set by modifying the DeviceConfig.json file.Only the ISM330DHCX acquisition is corrupted.By debugging the code seems that the problem could be about the calculation of parameter "sdwritebuffersize" in function "SDM_CalculateSdWriteBufferSi...

AZane.3 by Associate
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  • 2 replies
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Resolved! H3LIS331DL: Self-test function available?

I am wondering wether this device offers a self-test feature similar to its low-g cousin, the LIS331. I noticed that there is an app note attached on the product page of the H3LIS331DL that specifically describes the self-test feature in ST’s MEMS se...

YIbra.1 by Associate II
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  • 4 replies
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Resolved! Steval-STWINKT1B - Where is all the power going?

On the STEVAL-STWINKT1B board, and using the HSDatalog firmware, it uses about 60mA in idle state. I have disconnected the sensors, and the uC, and turned off the SD card power lines, but it's still at around 2mA. Does anyone know where this power ...