Tuesday, July 12, 2011

What kind of driver circuit should i use?

there are plenty of stepper drivers out there but depending on wiring configuration, you should be able to simply use open collector drivers (discrete or arrays like ULN series chips). note that many designs use voltage several times higher than motor rating (but with current limiting) to get faster response. in simplest case current limiting is achieved by wiring light bulb or resistor in series with common(s)

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