Stepper motor driver using PIC16f627a without driver chip

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JeanTech

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Hi there

I'd like to know if anyone has a simple schematic to connect a stepper motor to a microcontroller. I'm a little new to electronics and would also appreciate a simple explanation on how stepper motor works. Is it possible to connect a stepper motor to a pic16f627a without the driver chip or is there an alternative circuit I can build?

I have a 12V, 6 Ohm stepper motor with 4 wires (red, yellow, brown, black - the red and yellow wires have continuity and the brown and black wires as well).

thanks in advance
JeanTech
 

Only four wires is a bi-polar motor, so it's much harder to interface and program than a uni-polar one. You need to H-Bridges for a bi-polar, as opposed to four simple transistors for a uni-polar.
 
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