That's right, Nintendo's Motion Plus addon is out, and inside is a 3 axis, 16 bit gryo (well, a 2 axis gyro and a 1 axis gyro). Which is way better than the 2 axis, 10 bit one I was expecting. Communicates via I2C and costs less than $20. This could be pretty revolutionary for hobby IMUs. Coupled with a Nunchuck, its a 6DOF all digital sensor for $40!Details on the innards and protocol here.For the moment, it seems that you need to switch between the Motion Plus and the Nunchuck via a somewhat complicated method. Can't just read them both from different addresses. Hopefully that will be resolved when people better understand what's going on inside it.There's also some mention of it being able to run at two different sensitives toggled by some i2c command. And possible temperature compensation (they did this in software, only using the gyros?)Eventually I'll write some arduino code for the Motion Plus, but there are probably lots of you out there who could do it better/faster, so by all means give it a go!PS: Anyone know about progress on adapting the DCM method to ardupilot/arduino?
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