MEMS (sensors)

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LPS22HB is returning zero as the sensor output

Posted on February 05, 2018 at 23:46After initializing an SPI 3-wire interface with a STM32L4 MCU on a custom board, the driver always returns zero as the pressure value whenever the get pressure method is called. Even the temperature sensor reading...

LPS25HB for force readings

Posted on February 02, 2018 at 12:08Dear all, I am inquiring the possibility to use LPS25HB absolute pressure sensors as force sensors. My idea is to integrate the sensors into a rubber or silicon layer (5 - 10 mm thick) so that the rubber layer, ac...

LSM6DS3 FIFO usage when in 'Mode 1'/Slave-only

Posted on February 04, 2018 at 10:50For the &sharpLSM6DS3 - is it possible to use the &sharpFIFO also when the LSM6DS3 is in 'Mode 1'/Slave-only mode to buffer values of other sensor on the I2C bus? Or can the FIFO only be used when the LSM6DS3 is t...

Resolved! LIS2DW12 i2C communication issues

Posted on January 26, 2018 at 10:45Hi to all,We are usin this accel over i2c with this configuration:* Separate VDD and VDDIO (this one is attached to CS).* SDA and SCL are mounted with a external pull up resistor of 10K.* SDO/SA0 is left unconnecte...

IIS2DH Activity/Inactivity threshold setting

Posted on January 20, 2018 at 05:15Hi, I have configured accelerometer's registers as follows. So, from the activity threshold value how I know that at which raw value of X, Y, and Z axis it will be interrupted on a specific pin?////////////////////...

PIN outs for HTS221

Posted on January 28, 2018 at 06:52Is the pin out diagram on page 6 which is labeled ''bottom view'' actually a view from the top? VCC is in the upper left corner (pin 1).  The top side view shows the pin 1 ''dot'' also in the top left corner. and f...

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LPS22HB is giving same value

Posted on January 22, 2018 at 09:27Hi I am using  LPS22HB with my custom made board based on STM32F777. I am reading LPS22HB using the same driver as ST is giving. I always read the same value of pressure i.e 1847. Temperature value is also incorrec...