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MMA8451 motion detection trigers wrong on Y axis

Question asked by Ondrej Pistek on May 22, 2016
Latest reply on May 23, 2016 by Tomas Vaverka

Hello, I'm using accelerometer MMA8451QT only for motion detection via interupt. Device working fine with one exception, when I put device on edge (chip on edge, edge with dot on table, dot on right side) then i receive contionous interupts for movement.

By trial error i found that issue is in Y axis, when I disable motion sensing on Y everything works fine and I cannot find any other position with this behavior.

Code is based on example from AN4070.