const int relay = 2;
const int sensorIn = A0;
int mVperAmp = 100; // use 100 for 20A Module and 66 for 30A Module
int relaystate;
double sensorVal;
double sensorVal1;

void setup() {
  Serial.begin(9600);
  pinMode(relay, OUTPUT);
  pinMode(sensorIn, INPUT);
  digitalWrite(relay, LOW);
}

void loop() {

  delay(500);
  relaystate = digitalRead(relay);   //Check if the fan is on/off
  sensorVal = sensorVal1 = getVPP();
  Serial.println(sensorVal); //Printing out the AmpsRMS
  Serial.println(sensorVal1);

  while (sensorVal >= .50) {
    digitalWrite(relay, HIGH);  //If the current is drawing, then turn on fan
    delay(3000);
    Serial.println(sensorVal);
  }
}