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ADXL345 having z axis constant value ie -1

Question asked by Sandy@9028829909 on Feb 23, 2015
Latest reply on May 7, 2016 by STallur


I am working on ADXL345 1st time ,i interface pic30f3011 with ADXL345 with I2C i want to measure tilt angle with 0.2 degree resolution, i have problem with z axis reading which show constant -1 for any postion while my x and y axis reading changes with changeing position of adxl345. right now i select +/-2 range. please dont tell me its a solding issue because when i select +/-16 range then z axis  is change prblem with +/-2,+/-4,+/-8 range ..please help me....