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Thread: Stepper motor driver circuit

  1. #11
    Member User
    Join Date
    Feb 2006
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    God's own country
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    38

    Default Why??

    Hey

  2. #12
    Member User
    Join Date
    Feb 2006
    Location
    God's own country
    Posts
    38

    Default I made it

    Hi guys...

    sorry for my foolish questions ...

    I made a driver ckt using TIP 122's since L293 is not available here.IT is working fine and very simple. The unipolar config has enough torque for my purpose.

    The 5 volt 1 amp motors are driven by 9 volt supply. I had used 15 ohm resistances to limit the current and 3.3 k resistances for pullup in the base. 1N4148 are used as protection diodes.

    Thanks everyone for the discussion...

    JABIR

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