#include <Stepper.h>
#include <Servo.h>
const int stepsPerRevolution =100;  // change this to fit the number of steps per revolution
// for your motor

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);
Stepper myStepper2(stepsPerRevolution, 2, 3, 4, 5);
const int penServoPin = 6;
Servo penServo; 
int state = 10;



void setup() {
  // set the speed at 600 rpm:
  myStepper.setSpeed(100);
   penServo.attach(6);
  // initialize the serial port:
  Serial.begin(9600);
}


void loop() 
{
  if(Serial.available() > 0)
  { // Checks whether data is comming from the serial port
    state = Serial.read(); // Reads the data from the serial port
 }
 if (state == '0')
 {
   for(int stp=0;stp<=260 ;stp++){
  myStepper.step(1);
  myStepper2.step(1);
  delay(4);
   }
   delay(20);
   penUp();
   
  
  state = 10;
 }
 else if (state == '1')
 {
  for(int stp=260;stp>=0 ;stp--){
  myStepper.step(-1);
  myStepper2.step(-1);
  delay(4);
   }
  delay(20);
  penDown();
  state = 10;
 } 
}

void penUp() { 
  penServo.write(0); 
  delay(150); 
  } 

void penDown() { 
  penServo.write(40); 
  delay(150); 
}