int sensorValue; int pin8 = 8; void setup() { Serial.begin(9600); pinMode(pin8, OUTPUT);
}
void loop() { sensorValue = analogRead(0); // read analog input pin 0 Serial.print(sensorValue, DEC); //prints the value read Serial.println("ppm"); if (sensorValue > 500) { //Activate digital output pin 8 - the LED will light up digitalWrite(pin8, HIGH); } else { // Deactivate digital output pin 8 - the LED will not light up digitalWrite(pin8, LOW);
int sensorValue;
int pin8 = 8;
void setup()
{
Serial.begin(9600);
pinMode(pin8, OUTPUT);
}
void loop()
{
sensorValue = analogRead(0); // read analog input pin 0
Serial.print(sensorValue, DEC); //prints the value read
Serial.println("ppm");
if (sensorValue > 500) {
//Activate digital output pin 8 - the LED will light up
digitalWrite(pin8, HIGH);
}
else
{
// Deactivate digital output pin 8 - the LED will not light up
digitalWrite(pin8, LOW);
}
delay(50);
}