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pdm filter

Posted on June 04, 2013 at 10:14libPDMFilter_IAR.a Does LibPDMFilter_IAR.a in the STMF4 DISCORVERY  is used for all STM32 family? for example, Is LibPDMFilter_IAR.a used for STM32F1XX not STM32F4XX????

sojaewoo by • Associate II
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LSM303DLHC stuck on -4096

Posted on May 07, 2013 at 18:05We have two LSM303DLHC on one board. Sometimes one of them appears to be stuck at -4096 on some axes. Even when I wave a magnet close to it doesn't change. The next day it's ok. The board was sitting on my desk all day...

dimitar by • Associate II
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Please help using LSM330D

Posted on May 03, 2013 at 06:25I am trying to get a gyroscope raw data using I2C. DEN_G is connected to MCU's GPIO and I set the register to use level trigger mode. I think I2C slave address is correct because when I read WHO_AM_I_G register I get 2...

suriko by • Associate
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LSM303DLHC DRDY interrupt difficulties

Posted on April 23, 2013 at 19:05Greetings,I'm trying to bring up an LSM303DLHC and I'm having trouble getting any form of interrupt out of the device.I've taken an STEVAL-MKI119v1 and removed the MKI108v2 and jumpered it to my I2C bus.  I have Vdd ...

ste2e by • Associate
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LSM330 Programming Guide

Posted on April 12, 2013 at 14:42Is there a programming guide for LSM330? If there is one, could some one please post the link for that? #lsm330dl

mojink by • Associate
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LIS331HH detection

Posted on April 12, 2013 at 11:06Hello,Accorting to datasheet, LIS331HH accelerometer don't have register WHO_AM_I. Is it possible to read identification data from 0xF register? What is identification value of LIS331HH? I need detect this accelerome...

mircoo by • Associate
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STEVAL-MKI115V1 Bluetooth module not working

Posted on April 08, 2013 at 22:36Hi all, I am new to the ST MEMS line, and recently purchased a few of the development boards to start testing (STEVAL MKI109V2, MKI120V1, and MKI115V1).  I followed the manuals for assembly and installing Unico, and ...

LIS3DH:Reading temperature from OUT_ADC_3_L, OUT_ADC_3_H

Posted on April 08, 2013 at 14:28Hi, I am trying to read temperature values from OUT_ADC_3_H. I have also enabled BIT 6 and 7 in TempCfgReg and  Block Data Update, BDU  at CTRL_REG4(0x23). CTRL_REG1 is set to 100 Hz with value 0x57 running in normal...

tbaddam9 by • Associate
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LIS3DH SPI 3/4 wire not work properly

Posted on April 01, 2013 at 16:19Hello.I use LIS3DH accelerometer with 4-wire SPI interface.I attached schematic of accelerometer connection (AccelSch.pdf).ACL_VDDIO = 3,3 VACL_VDD = 3,3 VOther ACL signals connect to microcontroller pins.R9A=R9B=R9C...

maxim23 by • Associate
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Where can I find fw filters of LPS331AP?

Posted on November 19, 2012 at 16:27Hi, I want to build an altimeter using LPS331AP sensor and after reading AN4159 I discovered that I should have software filter to have an accuracy of 0.02 mB required for altimetery. Do you know where to download...

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