//Temperature sensor

int ThermistorPin = A0;
int Vo;
int PWM=8;
int Heater=3;
float R1 = 100000;
float logR2, R2, T, Tc, Tf;
float c1 = 1.009249522e-03, c2 = 2.378405444e-04, c3 = 2.019202697e-07;
//MOTOR
int x; 
#define BAUD (9600)



void setup() {
Serial.begin(9600);

 pinMode(Heater,OUTPUT); // HeaterOutput

//MOTOR
Serial.begin(BAUD);
  pinMode(6,OUTPUT); // Enable
  pinMode(7,OUTPUT); // Dir
  pinMode(5,OUTPUT); // Step
  digitalWrite(6,LOW); // Set Enable low

}

void loop() {

Vo = analogRead(ThermistorPin);
Serial.print("voltage: ");  
Serial.println(Vo);

  R2 = R1 * (1023.0 / (float)Vo - 1.0);
  logR2 = log(R2);
  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
  Tc = T - 273.15+54;
  Serial.print("Temperature:"); 
  Serial.print(Tc);
  Serial.println(" C");   
if (Tc < 250 && Tc>0) 
{     
analogWrite(Heater,PWM); 
}
else if(Tc >= 250) 
{
digitalWrite(Heater,LOW);  
}
if (Tc>200)
{
digitalWrite(6,LOW); // Set Enable low
  digitalWrite(4,HIGH); // Set Dir high
  Serial.println("Loop 200 steps (1 rev)");
  for(x = 0; x < 5; x++) // Loop 200 times
  {
    digitalWrite(5,HIGH); // Output high
    delayMicroseconds(10000); // Wait
    digitalWrite(5,LOW); // Output low
     delayMicroseconds(10000); // Wait
  }
  //Serial.println("Pause"); 
  
  }

//delay(500); // pause one second  


}