MEMS (sensors)

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HTS221 - TR - Correct Temp Data not found

Posted on July 30, 2016 at 02:09Hello, I am trying to access the HTS221 (TR) Temperature Humidity sensor. Firstly, the driver code of this sensor provided by ST Microelectronics states that the I2C address is 0xBE but I had been trying that address ...

HTS221 driver - function HTS221_Activate

Posted on September 02, 2016 at 07:47There is  HTS221 driver version 1.0.0 on ST website.In this driver function HTS221_Activate reset bit HTS221_PD_MASK, and function HTS221_DeActivate set this bit. In datasheet written: ''PD: power down control (0...

[LSM6DS3] Very High Noise Issue

Posted on August 26, 2016 at 23:37Hello, I am currently trying to do some initial noise analysis of LSM6DS3 using STEVAL-MKI160V1 adapter board and STEVAL-MKI109V2 mother board. The software that I am using for obtaining data is Unico GUI. The probl...

yangmax by Associate
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LIS2DS12 inactivity (SLEEP_STATE) flag not triggered

Posted on August 18, 2016 at 12:12Hello, I am trying to use LIS2DS12's activity/inactivity functionality, settings according to https://my.st.com//content/ccc/resource/technical/document/application_note/69/fd/10/6c/42/38/4f/f2/DM00218428.pdf/files/...

LIS2DH on an i.mx7 board running linux

Posted on August 29, 2016 at 20:03We have an LIS2DH accelerometer on our board which is running linux 4.1 kernel connected by I2C and I'm trying to get it to work but have had no luck.Here is what I did:I got the linux driver from here: http://www.s...

LIS3DSH Averaging Filter

Posted on August 01, 2016 at 15:13Does anyone know if the LIS3DSH average samples when running at lower data rates? E.g. if the ODR is 100 Hz, will it sample at a higher rate and average the results (in order for example to reduce noise)? Or perhaps...

STEVAL-MKI121V1-USB

Posted on March 17, 2016 at 16:34Hello,I  created my own PCB with iNEMO with USB communication, similar to STEVAL evaluation board. But I can't download any driver to establish communication - my comp shows message: ''...this computer malfunctioned,...

LSM303AGR magnetometer SET/RESET procedure

Posted on August 23, 2016 at 15:29Hi, I'd like to perform a SET/RESET procedure on the LSM303AGR magnetometer. As explained in the AN4825 pag. 17, if the user performs a single read, the bit OFF_CANC in CFG_REG_B_M must be set to '1' to invert the i...

marziano by Associate
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SPI communication with accelerometer H3LIS331

Posted on August 16, 2016 at 12:39Hi! I'm trying to read Who Am I register and get 0x32 reply from the accel. Not sure what SPI mode to use, 3? I see on the scope: byte 0xF1 come out of master on MOSI, eight clock cycles on SCK and SS line go low, b...

ot by Associate
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