MEMS (sensors)

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HTS221 over SPI, unable to write registers after soft reboot

Posted on September 30, 2015 at 21:51Hi, I'm using the HTS221 with an STM32F205. The communication channel is SPI. I'm finding that when I reboot my processor without cycling power, once the processor is back up and running it is unable to write to ...

doug2399 by Associate
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Hardfault error while running osxMotionAR example project

Posted on September 28, 2015 at 13:17I am getting one hardfault error after calling the osx_MotionAR_Initialize() API. I am using STM32F401 Nucleo board with X-NUCLEO-IKS01A1 sensor expansion board. I have installed required software and i tried to ...

arun by Associate
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How to convert the value to Temperature and Humidity for HTS221?

Posted on August 29, 2014 at 11:28I have using HTS221 , and I have get the value from HTS221 via I2C.The value is like the following:Read HTS221 CTRL_REG1: 0x20 value is 0x81Read HTS221 CTRL_REG2: 0x21 value is 0x0Read HTS221 CTRL_REG3: 0x22 value i...

x22819 by Associate
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lsm 303D raw data conversion

Posted on September 08, 2015 at 20:23Hi,I am getting the accelerometer and magnetometer raw data from the device. I calculated the max and min for magnetometer and somehow got the heading correct to an extent when device is flat and stationary. I am...

anoop2 by Associate
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PDM stereo recording

Posted on September 07, 2015 at 14:59Hi,I would like to use 2 digital sensors with PDM interface for stereo ultrasonic recording (currently I am looking at Knowles SPH0641LU4H).Which ST MCU has such capabilities?Thanks,Amit

amit2 by Associate
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LSM6DS3 _ timing issue ?

Posted on August 18, 2015 at 22:24 Dear Community, I am trying to setup the LSM6DS3 Accelerometer/Gyrochip. The datasheet states the following startup procedure for this device: 1 Write CTRL9_XL = 38h // Acc X, Y, Z axes enabled 2 Write ...

jogerh by Associate II
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reading wrong magnetic data from LIS3MDL

Posted on September 01, 2015 at 12:11 Hi, i've some problem reading magnetic data from LIS3MDL. I initialize LIS3MDL: //configure device response = LIS3MDL_W_FullScale(LIS3MDL_FS_16Ga); response = LIS3MDL_W_OutputDataRate(LIS3MDL_DO_80...

H3LIS331DL sleep-to-wake

Posted on August 17, 2015 at 13:26The datasheet implies that sleep-to-wake functionality allows the detection of above threshold accelerations even between samples at the low power mode samples:�2.5.3 Sleep-to-wakeupThe �sleep-to-wakeup� function, i...

Measuring deceleration using lis2dh

Posted on August 07, 2015 at 07:08We are using lis2dh accelerometer to determine the vehicle motion.For this we have configured the accelerometer for 6d direction detection.From the accelerometer readingsHow can we distinguish accelerometer readings...

saranya by Associate
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VL6180X GPIO1 interrupt output

Posted on February 25, 2015 at 18:11Hello peers and engineers, I have a VL6180X proximity sensor in my project (I only measure a range), and I want to use its GPIO1 pin as a wake-up trigger for some other electronics. Is it possible to configure VL...

bojan by Associate II
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