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Topic: Measuring tilt with an MMA7260Q accelerometer (Read 3 times) previous topic - next topic


I implemented a Kalman filter to fix the problem of the unstable readings. This works very well. The accelerometer responds well to changed and the value is very stable.


This sensor has 3 sensitivity settings ... Checkthe data sheet to get what you want, also I had to put a pullup resistor on the sleep pin to get it to stay on ... And third this sensor puts out a value of 0 - 3v3 with the center range being 3v3/2 , negative and positive g will either be more or less ... The mv values posted earlier look correct ... You can reduce noise slightly by using a rc circuit as destroyed In the data sheet... you will need to calculate g's from the mv if that is what your looking for.

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