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PCB Design guideline for LSM303DLHC sesnor chip

Question asked by yuan.patrick on May 24, 2016
Hi all,

I recently designed a new PCB board for the LSM303DLHC Tilt-compensated compass ( please see attachment). I soldered everything onto the board and connected it to the microcontroller to test it, the raw data obtained from  the sensor fluctuated and never went into the stable state. I am pretty sure the software that talk to the sensor is 100% working as I also tested with a  sensor dev kit purchased from adafruit . 

 so I just wonder if there is something wrong with my design.