Way interfacing sensor MQ-3 display in delphi

Other Hardware Sensors
1

const int AOUTpin=0;//the AOUT pin of the alcohol sensor goes into analog pin A0 of the arduino
const int DOUTpin=8;//the DOUT pin of the alcohol sensor goes into digital pin D8 of the arduino

int limit;
int value;

void setup() {
Serial.begin(9600);
pinMode(DOUTpin, INPUT);//sets the pin as an input to the arduino
}

void loop()
{
value= analogRead(AOUTpin);//reads the analaog value from the alcohol sensor's AOUT pin
Serial.println(value);
if(value<200)
{
Serial.println("Kamu Sadar");

}
else if(value<280)
{
Serial.println("Alkohol Terdeteksi");
}
else if (value < 350)
{
Serial.println("lebih dari satu kamu minum");
}
else if (value <450)
{
Serial.println("Serius Kau Akan Mabuk ");
}
else if (value>450)
{
Serial.println("Kamu Peminum");
}

delay (500);
}