salem
il'ya un logiciel qui s'appelle proteus isis il contient un moteur bipolaire dans ces librairie tu peut le selectionn puis click doir sur ce dernier help il te donnera comment modeler un moteur bipolaire
salem
if u want how u can drive a bipolar stepper i explain to u
the bipolaire stepper has 4 wire for 2 winding
they are a circuit to drive it l297 and l 298
the principe is simple put one ^pole in the + and the other in - the motor will turn with one step
if u exite two winding together the motor will turn with half step
i hope that i anser ur question