MEMS (sensors)

Ask questions and find answers on ST MEMS sensors, such as the LSM6DSV and the LSM6DSL. Learn how to use the SensorTile.Box, and STEVAL kits.

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Forum Posts

HTS221 accuracy and TN1218 question

Posted on May 06, 2017 at 22:23Hello,I'd like to ask you about opinion on accuracy of HTS221 sensors, both factory mounted on X-NUCLEO-IKS01A1 boards (powered by Nucleo board @ 3.3 V).I get quite surprising results from these sensors, compared to re...

Resolved! LSM303AGR self test always fails

Posted on March 29, 2018 at 23:41Hello, I'm using an LSM303AGR thru I2C, and after a little struggling, everythings looks fine. I can read any of the 6 axes with what seems to be the right values, and the read values react correctly when I tild my b...

Over-molding of LSM9DS1

Posted on March 22, 2018 at 08:57Hi, This question is regarding the e-packaging of the LSM9DS1 sensor PCBA Instead of packaging it in the plastic casing, We are planning to cover the PCBA with the overmolding material to cover the whole PCB includin...

LIS2DH12: High and Low Interrupt for all axis

Posted on April 02, 2018 at 21:52I'm currently trying to configure the LIS2DH12 sensor to enable high and low interrupt on all axis.My target is to implement a shock detection and therefore I plan to use all axis (x,y,z) and as well high and low thr...

Philipp D by Associate II
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LIS3DH low output registers outputting random data

Posted on March 30, 2018 at 18:51I have the LIS3DH accelerometer set for no FIFO, X,Y & Z output, Hi Res. I have BDU turned on.I am reading the high byte of each axis and getting the expected data which changes with accelerometer position. In all ca...

gbarbour by Associate III
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lsm6dsl_reg.h possible error ?

Posted on April 01, 2018 at 17:28Hi, When using lsm6dsl_reg driver files I've stumbled on the following angular velocity conversion macros.The math seems wrong... Can ST verify this?Thanks#lsm6dsl_reg

LSM303DLHCTR - Peak Current Consumption Issue

Posted on April 02, 2018 at 19:18I'm using an LSM303DLHCTR in an application where I'm reading its X, Y and Z magnetometer values once per 20 ms, and have noticed that the chip seems to consume 10 mA or more of current from its 3.3V supply (VDD pin)...

HTS221 Cal. Coeficients

Posted on March 27, 2018 at 09:03Hello,I implemented the software for the HTS221 in my project and all is working. But what I find strange is this, some calibration coefficients are negative!H0_T0_OUT is -2H1_T0_OUT = -11728Although they are negativ...