#include <Stepper.h>

const int REVOLUCION=200;
Stepper MOTOR1(REVOLUCION,8,9,10,11);
Stepper MOTOR2(REVOLUCION,2,4,6,7);



void setup() {
MOTOR1.setSpeed(60);
MOTOR2.setSpeed(60);
Serial.begin(9600);

}

void loop() {
MOTOR1.step(REVOLUCION);
delay(500);
MOTOR2.step(-REVOLUCION);
delay(500);

}