Thanks for the info guys i found what i was doing wrong. I was mess up between unipolar and bipolar. So with few change to my code i am now able to drive unipolar motor with a darlington driver and will soon be able to drive a bipolar with an H bridge.
I may still be at school, but this isnt a school project. :) With pullups the drivers output are fine. Forget about the inverter, i had to use the both signal, inverted and non-inverted, on the discret components circuit. Its hard to explain without showing you the circuit. The program use...
I am using a PIC18F452 to run program controlling a stepper motor and i need to interface a driver circuit to supply the power needed to move the motor. The program works fine and the logic output from the PIC is good. My problems come at the power stage. I have tried the ULN2804A witch is a hex...
