Gaz Otomasyon Sistemi Arduino

// Murat Duran - SafeGas Programing Code
 
#include <Servo.h> // Servo kütüphanesini tanımladık
Servo servoMain; // Servo tanımladık
 
int buzzer=5;
const int AOUTpin=A1;
const int DOUTpin=7;
const int led=3;
byte serialA;
 
int limit;
int value;
 
void setup()
{
Serial.begin(9600);
pinMode(DOUTpin, INPUT);
pinMode(led, OUTPUT);
servoMain.attach(9); // Servo sinyal pin çıkışı
pinMode(buzzer, OUTPUT);
  beep(50);
  beep(50);
  beep(50);
  delay(1000);
}
 
void loop()
{
 
value= analogRead(AOUTpin);
limit= digitalRead(DOUTpin);
Serial.print("Gas limit: ");
Serial.println(value);
Serial.print("Limit: ");
Serial.print(limit);
delay(100);
 
if (value > 240){
   servoMain.write(0);  
   beep(200); 
   digitalWrite(led, HIGH);   
  delay(1000);              
  digitalWrite(led, LOW);   
  delay(1000); 
 
}
 
if (Serial.available()) 
  {
    int inByte = Serial.read();
    Serial.println((char)inByte);
 
if (value < 240) {
    
    switch ((char)inByte)
    {
      //Buton Aç
     case 'a':
         servoMain.write(80);  
        break;
 
        // Buton Kapa
        case 'd':
          servoMain.write(0);  
        break;
         
      //Sensor readings:
      case 'r':
        Serial.print("<p="); Serial.print(value); Serial.println("=p>");
 
        break;
         
    }
    
//else sonu
    
}
  }
 //Loop bitti
}
 
void beep(unsigned char delayms){
  digitalWrite(buzzer, HIGH);      
                           
  delay(delayms);         
  digitalWrite(buzzer, LOW);      
  delay(delayms);         
}