#define LM1 2
#define LM2 3
#define RM1 4
#define RM2 5
int i;
void setup() 
{
  for (i=2; i<6; i++)
    pinMode(i, OUTPUT);

}

void loop() 
{
  RobotGo();
  delay(2000);

  

  Robotleft();
  delay(500);

  

  RobotGo() ;
  delay(2000);

  
  Robotleft();
  delay(500);

  
  RobotGo() ;
  delay(2000);
  

  RobotRhigt();
  delay(500);

 

  RobotGo() ;
  delay(2000);

  

  RobotRhigt();
  delay(500);

 
  RobotGo() ;
  delay(2000);

  



  
}

void RobotGo() 
{
  digitalWrite(LM1,0);
  digitalWrite(LM2,1);
  digitalWrite(RM1,0);
  digitalWrite(RM2,1);
}
void RobotBack() 
{
  digitalWrite(LM1,1);
  digitalWrite(LM2,0);
  digitalWrite(RM1,1);
  digitalWrite(RM2,0);
}

void RobotStop() 
{
  digitalWrite(LM1,0);
  digitalWrite(LM2,0);
  digitalWrite(RM1,0);
  digitalWrite(RM2,0);
}

void RobotRhigt() 
{
  digitalWrite(LM1,0);
  digitalWrite(LM2,1);
  digitalWrite(RM1,0);
  digitalWrite(RM2,0);
}

void Robotleft() 
{
  digitalWrite(LM1,0);
  digitalWrite(LM2,0);
  digitalWrite(RM1,0);
  digitalWrite(RM2,1);
}