How I hacked Google Daydream controller
Matteo Pisani
20414

Actually, you don't even need the AHRS part. What you think is raw magnetometer is in fact the final orientation — axis-angle stored as: unit vector * angle. This guy has more http://stackoverflow.com/questions/40730809/use-daydream-controller-on-hololens-or-outside-daydream (many newer IMUs do sensory fusion right on the chip, this is probably the case; raw magnetometer would respond with way more lag)

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