StepTB6560

  #define Step 9          // Clk+
  #define Dir 8           // Cw+
  #define Bota3000  3      // botao
  #define Bota5000  4      // botao
  #define Bota8000  5      // botao
  unsigned int Qtde_Steps = 3000;
  unsigned int velocity = 100;

  //--------------------------------------------
  void setup()
  {
    Serial.begin(9600);
    pinMode(Bota3000, INPUT_PULLUP);
    pinMode(Bota5000, INPUT_PULLUP);
    pinMode(Bota8000, INPUT_PULLUP);
    pinMode(Dir, OUTPUT);
    pinMode(Step, OUTPUT);
    digitalWrite(Dir, LOW);
    digitalWrite(Step, LOW);
    digitalWrite(Dir, HIGH);
  }
  //---------------------------------------------
  void loop()
  {
    if (digitalRead(Bota3000) == LOW)
    {
      for ( int i = 0; i < Qtde_Steps ; i++)
      {
        digitalWrite(Step, HIGH);
        delayMicroseconds(velocity);
        digitalWrite(Step, LOW);
        delayMicroseconds(velocity);
      }
    }
    if (digitalRead(Bota5000) == LOW)
    {
      for ( int i = 0; i < (Qtde_Steps+2000) ; i++)
      {
        digitalWrite(Step, HIGH);
        delayMicroseconds(velocity);
        digitalWrite(Step, LOW);
        delayMicroseconds(velocity);
      }
    }
   if (digitalRead(Bota8000) == LOW)
    {
      for ( int i = 0; i < (Qtde_Steps+5000) ; i++)
      {
        digitalWrite(Step, HIGH);
        delayMicroseconds(velocity);
        digitalWrite(Step, LOW);
        delayMicroseconds(velocity);
      }
    }
  }