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Help me to drive unipolar stepper motor with L297

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Hello

Dont know if I have posted in the correct board...


I have a unipolar stepper motor and want to drive it with the L297...I added 4 darlignton transistors using the BDX53 for each winding....insted of the ULN2075

My problem is what I'm going to connect the INH1 INH2 SENS1 SENS2...?

Do I have to use a quad Nand gate...?

Thanks
 

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