=== Code qui programme 3 moteurs pas à pas====

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<code nomlangage>
#include <Stepper.h>
#include <AFMotor.h>

int enA  = 3;  
int enB  = 11;  
int dirA = 12;  
int dirB = 13;  


const int stepsPerRevolution = 400;  
                                     
Stepper myStepper(stepsPerRevolution, dirA, dirB);            
AF_Stepper motor1(400,1);
AF_Stepper motor2(400,2);


void forwardstep1()
{
    motor1.onestep(FORWARD,SINGLE);
}
void backwardstep1()
 
{
    motor1.onestep(BACKWARD,SINGLE);
}
 
void forwardstep2()
{
    motor2.onestep(FORWARD,SINGLE);
}
void backwardstep2()
{
    motor2.onestep(BACKWARD,SINGLE);
}
 
void setup() {
  
  myStepper.setSpeed(60);

  
  pinMode(enA, OUTPUT);
  digitalWrite (enA, HIGH);

  pinMode(enB, OUTPUT);
  digitalWrite (enB, HIGH);  

  motor1.setSpeed(25);
  motor2.setSpeed(35);
  
}

void loop() {
  
 motor1.step(100,FORWARD,SINGLE);
 delay(1000);
 
 motor2.step(3200,BACKWARD,SINGLE);    
 delay(1000);
 motor2.step(3200,FORWARD,SINGLE);      
 delay(1000);


 
 
  
  myStepper.step(stepsPerRevolution*20);
  delay(2000);

  myStepper.step(-stepsPerRevolution*10);
  delay(2000);  
 
}

</code>.