MEMS (sensors)

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STM32F4 Discovery to LPS25H Example Code

Posted on July 22, 2015 at 14:08All:Is there I2C example code that can be used with the STM32F4 Discovery Board to connect to the LPS25H module? I am running the processor at the full 168 MHz, and as far as I know, I have initialized the I2C1 port c...

tba10596 by Associate II
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Using LIS3DH direct from coin cell unregulated power

Posted on March 15, 2016 at 17:48The LIS3DH works from 1.8V to 3.6V.If I use it direct from a CR2032 coin cell w/o regulator, will there be any side effects as the voltage drops from 3.3V to ~2.2V?For example, will the calibration drift substantiall...

duppy by Associate
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LIS3DSH scale offset

Posted on March 11, 2016 at 07:21There is a problem with LIS3DSH scale offset. We calibrate our devices for 1000 mG and -1000 mG, using raw data from accelerometer. After 1 month warehouse storage at room temperature, difference between values is st...

mila by Associate
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STEVAL-IME002V1 problems

Posted on September 17, 2015 at 15:47Hope that this is the correct forum section for my question. I have some strange problems with my IME002V1 evaluation kit. When I change some register settings in the Eden application and press write all register...

L3G4200D giving constant values for x, y and z.

Posted on March 09, 2016 at 05:26Hi. I have connected an L3G4200D to an ATMEGA328P via SPI.WHO_AM_I gives me 211d, or 0xD3, which is the expected value.The values I use for control registers are:CTRL_REG1: 0b00001111CTRL_REG2: 0x80CTRL_REG3: 0x00CTR...

enhering by Associate III
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LIS2HH Activity/Inactivity functionality

Posted on March 10, 2016 at 00:27Section 5.1 of the datasheet explains how to use the activity/inactivity block. However the register description:8.3 ACT_THS (1Eh)Activity threshold register (r/w). Its value is fixed at 0x00. Inactivity threshold I ...

jonpry by Associate
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LIS3DSH State Machine ?

Posted on March 08, 2016 at 10:56 Hello ,everyone. Now, I have some prolem about LIS3DSH . I tried run ''state machine'' LIS3DSH presets WakeUp from AN3393 page 78, but anything I do, the interrupt occur on INT1 all the time. What is the Probl...

stc3105 convert data

Posted on March 07, 2016 at 01:04Hey. I understand that this topic is not the place, there was no forum for the addition.Help with data conversion, we need the full formula. For example, at current consumption register REG_CURRENT is 65527, as I und...

den2life by Associate II
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