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SX2 mini mill tach

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  • SX2 mini mill tach

    I have been tricking out my LMS mini mill. I knew the new servo drives had a port for a tachometer but the budget couldn't justify the cost. I did some research and found a guy at cnczone that had hacked the serial string and provided Ardiuno code to decode the string and drive an LCD.
    I decided to copy his effort.

    Prototype:


    It works:



    Circuit board for micro controller and cable to display:



    Enclosure with display:



    I tested with an auduino UNO but as soon as a nano arrives that will be controller that mounts on the pc board

  • #2
    Nice job. Are you going to machine an enclosure for it with the mill?

    I envy you guys with the electrical and programming knowledge like this. I've just never been able to "get it". Wish I had a good and patient teacher, or even knew where to start to learn on my own.

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