MEMS (sensors)

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VL6180X Detecting Glass and Low Light Range Difference

Posted on April 06, 2017 at 03:27Two questions.  I'm implementing the VL6180X sensor in a system that needs to detect presence of objects placed in a tray.   The objects are generally small glass vials with different colored caps.  Question 1:  In a...

Is CTRL_REG0 on LIS3DH available since the beginning?

Posted on February 23, 2017 at 02:39Hi, I have a project that uses LIS3DH. I just noticed an update at the Datasheet and now there is a  CTRL_REG0 that I can disable the SA0 pull-up. Is this available since the beginning or just on new batches of th...

luisf by Associate II
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IIS2DH FIFO Startup Noise

Posted on April 24, 2017 at 15:40When I transition from a powerdown state to any of the ODR's in FIFO mode I get initial values (first 1 or 2 sample sets) in the FIFO buffer that are very erratic. Should there be a period of time after transitioning...

VL53L0x i2c validation

Posted on April 24, 2017 at 15:02Hi, I've VL53L0x Satellites board and according to datasheet page 21, section 3.2http://www.st.com/content/ccc/resource/technical/document/datasheet/group3/b2/1e/33/77/c6/92/47/6b/DM00279086/files/DM00279086.pdf/jcr:...

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Unico doesn't show the new LPS22HB sensor

Posted on June 28, 2016 at 11:15I'm trying to use UNICO with an eval board that contains the LPS22HB sensor.  I cannot find this device under their Environmental sensors device list.  Is there a way to add it to the list, or to update UNICO?  I'm us...

LIS2DE12 Mems Accelerometer Interrupts

Posted on April 22, 2017 at 12:21I am currently trying to interface LIS2DE12 Mems Accelerometer in our project.The datasheet is all about hints more than explanationsI scrolled around datasheet and couldn't find the meaning for AOI Function interrup...

make pre-calibration time shorter

Posted on December 22, 2016 at 23:04HiI'm using multiple vl6180x devices and want them to work more quick.However, when the second device starts in pre-calibration time of first device, the range data looks wrong.When I set the interval more than 4m...

ishikawa by Associate II
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M24LR04E-R memory initial state.

Posted on April 21, 2017 at 17:25I tried to read the default I2C password (address 2304 with E2 = 1) that should be 0000 0000h whilst I found FFFF FFFFh. For verification I also tried to read the other System parameter sector and the returned values...

LSM9DS1 SPI only write

Posted on March 24, 2017 at 11:48What is the meaningful of 'SPI only write' SIM bit of CTRL_REG3_M (22h) register?How magnetometer values can be read if SPI is in write only mode?

Mich1 by Associate III
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