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Single axis data from ADXL326

Question asked by groger on Oct 8, 2015
Latest reply on Oct 10, 2015 by NevadaMark


I'm using this MEMS sensor on a PCB, and want to establish the roll of the x-axis only, regardless of the pitch.


I am using the standard 3-axis equations to establish the roll. I first take a few averaged readings to determine the static position.

After movement starts I am only interested in the x-axis roll. When observing the values, the y-axis (pitch) affects the x-axis (roll) numbers, even the slightest amount.

My objective is to set a threshold for roll only, and don't want pitch to impact the roll values.


How can this be done?