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Originally Posted by jeff88
Build one!
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Maybe but you've drawn me into building an Arduino based one now. (I had to buy only the prototype board and some connectors.)
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I'm still a little lost, so I'm not sure what you mean by integrating the acceleration #s, adding mass and KE and PE. I would like the inclinometer output, but if these numbers can give me other useful information, I would be open to looking into it.
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That's probably trying run before walking but it's feasible.
Integration in the mathematical sense. If you have acceleration you can sum that over time to get velocity or measure the (x-direction) velocity directly with the speed sensor input. With x-direction velocity, KE=(m x v^2)/2.
Integrate velocity you have displacement. Use z-direction displacement to get PE=m x g x h. Where m = mass, v=velocity, g=gravitational acceleration, h=height from an arbitrary reference.
I can explain it further but maybe we should wait until the basics are sorted.