Mick in Oz

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About Mick in Oz

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    Hi, I am New!

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  • Country Australia
  1. Help with stepper motor?

    Thanks for that Ken. My project is involved with turning a screw that moves a mounted camera "in tune" with the earth's rotation, so as to do astrophotography. Right now I'm doing this manually, which is tedious and error-prone, which leads to blurry photos. At any rate, I think I understand you, in that the "controlling" part of the motor would be transmitted to it via the parallel port...now I just have to figure out a way to design a cable that will connect to both the motor and the PC.
  2. Hi all: I am trying to build a stepper motor using a PC's floppy DD. I have little-to-no electronics knowledge . The article that I'm using to help with this (at: http://www.doc.ic.ac.uk/~ih/doc/stepper/ ) suggests using the PC's parallel printer port as one way of getting it to work. It states: "There are various ways to get these motors going, controlled via the digital outputs of a PC's Parallel Printer Port". It goes on to suggest a cable design to use (see: http://www.doc.ic.ac.uk/~ih/doc/stepper/control1/cable.html ). My question is - is the cable that referenced just a simple PC printer cable? If so, does the cable need to be modified? And is the motor then powered by connecting the cable to the PC's printer port? TIA - Mick