<code nomlangage>
#include <AFMotor.h>
 
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() 
{  
motor1.setSpeed(25);
motor2.setSpeed(35);
}
 
void loop() 
{
 
 motor1.step(100,FORWARD,SINGLE);
 delay(1000);
 
 motor2.step(3200,BACKWARD,SINGLE);    \\ descend de 8cm
 delay(1000);
 motor2.step(3200,FORWARD,SINGLE);      \\ monte de 8cm
 delay(1000);
 
}
</code>