Mq135 Gas Sensor Library For Proteus Download Upd Work 2021 Jun 2026

void setup() Serial.begin(9600); void loop() int rawValue = analogRead(A0); Serial.print("Air Quality Raw Value: "); Serial.println(rawValue); delay(1000); Use code with caution. Troubleshooting "Upd Work" (Updates and Working Issues) If the sensor is not working (e.g., output is always ), check the following: