Bipolar Stepper High Current

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pridepk

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Hi all
I am facing problem with bipolar 4 wire stepper motor, the motor has two 7ohms coils and I need a Transistor driver Circuit (using TIP120 or Mosfet) which operated by a PIC16f84A.

I am very thankfull to him

Regards
Nadeem
 

Deal all
Can any one send a H bridge circuit diagram for controlling 4 amp bipolar Stepper

Thanks
Nadeem
 

Thanks guru
But I still confused because the bipolar motor has 4 wire, means its has two coils, how can I make the H bridge operated with PIC
 

Still not able to drive my bipolar stepper motor having 4 wires. can you pls make a circuit using these power transistors

once again I very thank ful

Nadeem
 

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