Using Cheap Chinese Calipers as encoders


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  1. #8
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    Exclamation 5 ipm is a W. A. G. 1 ipm is adequate, even less

    Actually rethinking this whole thread, 5 ipm is pretty fast for the size constraints these calipers offer, What I have in mind is to make a small engraving machine for semi precious stones, like turquois, I am presently in process of purchasing a HAAS TM1 from a friend, so my short term CNC needs will be filled by that, the stone cutter is to be for My Mom. I was toying with the Idea of tracking the Z axis of a larger machine though.<p>

    Speed isn't going to be the issue. My problem is how do I retreive the data from a 48 Bit data stream with a 16 bit word capable Microcontroller, I am guessing it can be done as at least 3 comercial enterprises use them as the basis of a DRO, my math skills and inadequate experience in programming are such that I am looking for suggestions as to how to accomplish this feat, mind you, not a code author, but some pointers. Would you store it in 3 words ? Would that involve using an array, something like:<p> MyData var word[3]<p>
    Thank You All for your time and consideration, it is appreciated.
    JS
    Last edited by Archangel; - 24th September 2007 at 00:01.
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