MEMS (sensors)

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Microphone self noise IMP34DT05

Hello,I'm using the IMP34DT05 microphone and it records fine but there is always a noise overlapped and it is very annoying.I have tried recording the background noise in anechoic chamber (see attached audio, high-pass filter alpha is 0.98). Do you k...

frnt by Senior
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I am attempting to use the LIS3DH in SPI mode The data coming back is always the same regardless of orientation of the device I have tired 2 devices and they are both behaving the same

I am bit-banging since my CPU doesn't have native SPI compatible with the LIS3DH.To initialize the chip, I write:0x57 to Control Register 1 (DATARATE_100HZ, XYZEN) {see pic CR1Write.jpg}0x80 to Control Register 4 (BLOCKDATAUPDATE, SCALE_2G) { see pic...

Jprab.1 by Associate
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How to match VL53L1 orientation with RoI X, Y parameters?

My application hopes to detect objects on a flat surface (e.g. table). I hope to place the VL53L1X in a vertical plane, close to the horizontal table top. Then I hope to be able to ignore reflections from the table itself by using the RoI feature. I ...

charles23 by Associate III
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Resolved! Bit endianness is an issue in bitfields?

Dear ST hello,I have a question about the bit field,I am using the stm32F429 discovery board, and I am working on the gyroscope Mems.if I declare a union like this:typedef volatile union { uint8_t All; struct { uint8_t Yen:1; /*X axis enable*/ ...

Cant get MKI109V3 to connect to PC

I have the STEVAL-MKI224V1A with the LPS22DF pressure sensor. This is attached to a STEVAL-MKI109V3 motherboard.I downloaded and installed the UNICO GUI version 9.14.6.0 The GUI app opens as expected and I select the "Environmental Sensors" on the le...

jkain.11 by Associate II
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How to transmit more than 8bytes data via basic CAN Bus

Hi all!I have a problem with transmition/receiving more than 8 bytes of data between two STM32 MCUs via CAN-Network.I know, it is impossible to transmit more than 8 bytes of data via basic CAN Bus.I tried to create Command messages System.CAN Master ...

USolar by Associate III
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