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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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Resolved! LSM6DSV36S VDD Noise Sensitivity

Is there any noise spec on VDD of LSM6DSV36S that we need to be aware of when supplying the voltage to it? I.e. concern of specific frequency of a switching regulator, ripple spec, etc. 

Signal source for internal double-tap recognition of LIS2DW12

Hi everyone,I have set up my LIS2DW12 to recognise double taps in the Z direction, which works well with the following settings:ODR = 400 Hz (High performance mode)FS = +-2gLow Noise Mode enabledTap threshold: 0b1000 = 0.5 gLatency: 0x0F = 1200 msQui...

JuTe by • Associate
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Resolved! FFT compare function on SensorTile.Box PRO

Good Morning,I own both a SensorTile.box and a SensorTile.Box PRO. I used the SensorTile.box to identify anomaly vibrations on a device, using the prebuilt app, with slight modifications, that performs the FFT of data coming from the accelerometer an...

francus76 by • Associate III
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  • 4 replies
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LIS2DW12 BOOT Bit in CTRL2 (21h) stuck on '1'

Hi,We currently use the LIS2DW12 in our design and have encountered an issue in some units after prolonged continuous operation (approximately 5–6 days). Specifically, the accelerometer output becomes unresponsive and remains stuck at a constant valu...

LSM6DSO SPI Bug for high volume project

Using the LSM6 over SPI with the RP2040 Microcontroller for a mission-critical project (flight controller for UAVs).The SPI works well. Well in theory. In practice, 1 in every 20-100 reads returns corrupt SPI data (WHOAMI reads as 0x68/0x58). This is...

ZarvanM by • Associate
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  • 2 replies
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ST1VAFE3BX vAFE sensitivity and sample bit depth

I have a question about the ADC sensitivity for the vAFE in the ST1VAFE3BX. Table 3 of the datasheet says that the input range is +-25mV when the gain is set to 16. With a 12-bit reading, this results in about 12 uV/LSB of resolution. However, the "A...

lexpart by • Associate II
  • 770 Views
  • 10 replies
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LSM6DSV Firmware Update?

Does the LSM6DSV support in-circuit firmware updates over SPI? If so, is there an app note that details how to do this. We are just trying to plan to support this in our new design if needed.

CSmit.4 by • Associate II
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  • 2 replies
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