int mq_pin = 14;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600); //9600 bps
//Serial.println("CLEARDATA");
//Serial.println("LABEL,VALUE");
}
void loop() {
// put your main code here, to run repeatedly:
int val;
val=analogRead(14);
//Serial.println(val ,DEC);
//Serial.print("DATA, TIMER,");
Serial.println(val);
delay(500);
}