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pleki

stepper motor

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i'm using a stepper motor unipolar 24v for my final project.

Can anybody help me to give the simplest circuit for the driver/interface please ??

I'm using atmel's at89c51 microcontroller for the input..

So input 4.5-5vto a 24v stepper motor...

Just need the circuit...
for anybody able to help me please send to me..

thanks.

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Try this site: http://home.planet.nl/~meurs274/
Some stepper projects with Atmel AVR. I know you have the 89C51, but there is enough similarity that this should be what you need. Basically, your port pins send the pulses and the ULN2803A drives the signal. Very simple layout. Even has a board layout in eagle that you can edit with the free demo version.

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