MEMS (sensors)

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Problem with changing control registers of hts221

Posted on May 03, 2016 at 18:14Hi, I'm using a stm32f469 disco board and a x-nucleo-iks01a1 extension board and I'm trying to set some of the control bits. I'm able to read all registers over i2c without any problems. But if i try to write any of th...

jh by Associate II
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LIS2DH SPI not Working

Posted on April 02, 2016 at 11:15I am using LIS2DH spi to communicate with nrf51822. I have set CPOL =1(active Low) and CPHA=1(trailing). I am able to see CS , MOSI and CLOCK properly but MISO pin is always high.Below is my code.                    ...

No Response to WHO_AM_I read request on IIS328DQ

Posted on May 16, 2016 at 23:36Greetings, I'm trying to use a Cypress CY8C4247 microcontroller to communicate with an ST Accelerometer (IIS328DQ) and getting nowhere. I have the SPI configured for 1MHz communication, standard Motorola SPI with data ...

HTS221 and SPI using HTS221_Driver.c

Posted on May 14, 2016 at 21:08 Hello, i tried to connect my STM32F103 to a HTS221 sensor, but I do not get correct values for temperature and humidity. HTS221_Driver.c has version 1.0.0 from 07/04/2014 What I did so far: ...

LPS22HB Help

Posted on March 25, 2016 at 14:51I am working with the LPS22HB pressure sensor and I cannot get a response from it. I have ctrl_reg1 set as 01000000, ctrl reg 2 set as 00011000, and everything else as default. I am using a 1MHz SPI clock and a CS pi...

kmcgrath by Associate
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LPS25HB Spec Discrepencies

Posted on April 21, 2016 at 16:57DoclD027112 Rev2. Description for CTRL_REG1 in Register description 8.6 DIFF_EN - Interrupt generation enable. Default value: 0 (0: interrupt generation disabled; 1: interrupt generation enabled)  Text description is...

LPS25HB Datasheet Wording

Posted on May 06, 2016 at 16:34First paragraph in section 4.2 says:The complete measurement chain is composed of a low-noise amplifier which converts the resistance unbalance of the MEMS sensors (pressure and temperature) into an analog voltage usin...

LPS22HB Device Independent Drivers

Posted on April 22, 2016 at 20:13I am unable to locate the platform independent device driver for LPS22HB.  Has anyone been able to locate it?I expected a link/download to be located here:https://my2.st.com/content/my_st_com/en/products/embedded-sof...

the1engr by Associate II
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Question for INEMO_PI3P

Posted on April 19, 2016 at 18:40Hi,I bought STEVAL-MKl109V2 and STEVAL-MKL159V1. But I can't find the iNEMO PI3P.Could you give me a link to download the INEMO_PI3P library.Thanks,Alex #inemo

yifeng by Associate
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LIS2DH12 INT1 open-drain?

Posted on April 15, 2016 at 19:22Is the INT1 pin of LIS2DH12 set to push-pull configuration per default? And if so, is it possible to set it to open-drain? Note: I already set the INT1 to active-low - but open-drain would be necessary as well...

christof by Associate
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