MEMS (sensors)

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LSM6DS3TR freezes, unfreezes when shorting 3.3V and GND.

LSM6DS3TR is currently used on our production PCBAs. The sensor has been working for us for the past few years now. But once in a while it freezes and does not supply readings. Specifically it cannot sense taps. When we short the 3.3V and GND line it...

MLech.1 by Associate
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How to connect four LSM9DS1 on a common SPI bus.

I need to connect four LSM9DS1 on a common SPI bus. (I2C won't work here---resources are not available on the host microcontroller.)I'm having a hard time getting the following from the datasheets, and hoping maybe someone with experience with these ...

TAnde.7 by Associate
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Difficulty in usage of accelerometer axis limiting?

Hi Sir/Ma'am,I am using accelerometer LIS3DH for drop test.I disabled two of axis's x, y and enabled z axis with CTRL_REG1 (20h) .Threshold 40, ODR 100, Range 2g.I had varied range from 2g to 16 g.Even when I dropped from 25 cm and 50 cm height I am ...

SUpen.1 by Associate II
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  • 3 replies
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Resolved! LSM303AGR INT pin not firing

Hi,I am using nordic MCU to operate LSM303AGR magnetometer device. My goal is to get a Z-axis interrupt upon crossing the pre-calibrated threshold.The i2c write and reads are working fine.INT bit of register 64h (INT_SOURCE_REG_M) is responding when ...

GFone by Associate II
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  • 4 replies
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STM32 Hal Uart RX randomly Freezes using DMA

Hey guys we are using the HAL Uart at 9600 Baud between our Bluetooth Board and Motion Sensor. We are using the DMA in non circular Buffer mode and then we have an actual Circular Buffer the Data goes into after the DMA. We are noticing randomly the ...

KDham.1 by Associate II
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  • 2 replies
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