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Stepper for 3d Printer

Discussion in 'Sensors and Actuators' started by exabit, Dec 28, 2010.

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  1. exabit

    exabit

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    Dec 28, 2010
    Dear Sirs and Madams.

    I am relatively new to electronics in that I can follow instructions but not design too well. I am trying to build a stepper motor system controlled via 4 pins on the parallel port say D0-D3 (I am a software developer by nature).

    Well, you see, it takes someone really smart to develop this kind of electronics stuff, us coders hack and still get it wrong.

    Anyhoo

    I have a stepper motor in mind which /* should */ have most of the required bit already in place. the SYiNTSD232#2 at Zapp Automation

    The problem with these hybrid stepper motors, as fancy as they are, I have no idea what to put between the parallel port pin and the input of the motor. The documentation specified the input is 3.3-5V at between 5mA to 20mA. From research I understand that a given data pin can produce 0.5mA.

    So how do I rectify this (I've put 2 lines in to represent broken circuit - error)

    [​IMG]

    Any help would greatly be appreciated.

    Bobby
     
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