gassensor
unknown
plain_text
a year ago
390 B
1
Indexable
Never
int LED = 13; int MQ2pin = A0; void setup() { Serial.begin(9600); } void loop() { float sensorValue; sensorValue = analogRead(MQ2pin); if(sensorValue >= 250) { digitalWrite(LED,HIGH); Serial.print(sensorValue); Serial.println("GAS DETECTED"); } else { digitalWrite(LED,LOW); Serial.print(sensorValue); } delay(1000); }