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accelerometer for tilt sensor

Question asked by M Ruckstuhl on Aug 4, 2014
Latest reply on Aug 6, 2014 by Tomas Vaverka

I am looking to replace a 2-axis accelerometer (from a different vendor) with a 3-axis one, primarily used as an inclinometer. I need 0.1 degree resolution or better between +/- 20 degrees, but the third axis gives me positional flexibility for the unit. I like the resolution advertised for the MMA8451Q and the FXLS8471Q, but aside from I2C vs SPI, I haven't figured out the difference between them.

Does anyone have recommendations for a tilt sensor, including things to look for?