Testa Step Com ULN2003

/*
 * Meu motor
 * Vermelho IN1
 * Laranja  IN2
 * Amarelo  IN3
 * Marron   IN4
 */
// UNO
#define IN1 7
#define IN2 6
#define IN3 5
#define IN4 4
/*
// Mega
#define IN1 25
#define IN2 24
#define IN3 23
#define IN4 22
*/
//------------------------------------
void setup() {
  pinMode(IN1,OUTPUT);
  pinMode(IN2,OUTPUT);
  pinMode(IN3,OUTPUT);
  pinMode(IN4,OUTPUT);
}
//-------------------------------
void loop()
{
 digitalWrite(IN1,HIGH);
 digitalWrite(IN2,LOW);
 digitalWrite(IN3,LOW);
 digitalWrite(IN4,LOW);
 delay(800);

 digitalWrite(IN1,LOW);
 digitalWrite(IN2,HIGH);
 digitalWrite(IN3,LOW);
 digitalWrite(IN4,LOW);
 delay(800);

 digitalWrite(IN1,LOW);
 digitalWrite(IN2,LOW);
 digitalWrite(IN3,HIGH);
 digitalWrite(IN4,LOW);
 delay(800);

 digitalWrite(IN1,LOW);
 digitalWrite(IN2,LOW);
 digitalWrite(IN3,LOW);
 digitalWrite(IN4,HIGH);
 delay(800);
}