//Define Digital Channels as Mux switches
const int MuxS0 = 2;
const int MuxS1 = 3;
const int MuxS2 = 4;
const int MuxS3 = 5;
const int MuxSIG = A0;
const int MuxDisabler = 13;

//Define function to iterate easier through Mux Signals
int SetMuxChannel (byte channel)
{
  digitalWrite(MuxS0, bitRead(channel, 0));
  digitalWrite(MuxS1, bitRead(channel, 1));
  digitalWrite(MuxS2, bitRead(channel, 2));
  digitalWrite(MuxS3, bitRead(channel, 3));
}

void setup() {
  pinMode(MuxS0, OUTPUT);
  pinMode(MuxS1, OUTPUT);
  pinMode(MuxS2, OUTPUT);
  pinMode(MuxS3, OUTPUT);
  pinMode(MuxDisabler, OUTPUT);
  Serial.begin(9600);
  delay(1000);
}

void loop() 
{
  digitalWrite(MuxDisabler, HIGH);
  for (int i = 0; i < 3; i++)
  {
    SetMuxChannel (i);
    int HumiditySensorRead = analogRead(A0);
    Serial.print("Sensor No = ");
    Serial.print(i);
    Serial.print(" = ");
    Serial.println(HumiditySensorRead);
    delay(500);
  }

  digitalWrite(MuxDisabler, LOW);
  for (int i = 0; i < 3; i++)
  {
    SetMuxChannel (i);
    int HumiditySensorRead = analogRead(A0);
    Serial.print("Sensor No = ");
    Serial.print(i);
    Serial.print(" = ");
    Serial.println(HumiditySensorRead);
    delay(500);
  }
}