ICM-42670-P vs ICM-42688-V for absolute orientation

By naylandglaznie… , 4 June 2024

Hi,

I'm trying to choose between ICM-42670-P and ICM-42688-V for absolute orientation.

ICM-42670-P - Smart motion library
ICM-42688-V - the advanced sensor fusion library (ASF)

ON the TDK page it states that "the advanced sensor fusion library (ASF) motion sensor algorithm provides highly accurate sensor fusion output (less than 1 degree on yaw, pitch, roll)". "It provides 6 axis and 9 axis sensor fusion outputs such as quaternoins, yaw, pitch and roll"

My application is a smart drinking straw and i only need orientation in (X and Z). It doesn't need a high degree of accurately - so was wondering if i could just use the ICM-42670-P and the Smart Motion sensor library.

Q1. Does the Smart Motion sensor library provide sensor fusion for absolute orientation?
Q2. Do you know what level of accurately this fusion will provide?

Many thanks
Nayland

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