const int sensePin = 33;
const int s3 = 25;
const int s2 = 26;
const int s1 = 27;
const int s0 = 14;
char selection[] = {14,27,26,25};
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(sensePin, INPUT);
  pinMode(s3, OUTPUT);
  pinMode(s2, OUTPUT);
  pinMode(s1, OUTPUT);
  pinMode(s0, OUTPUT);
}

void loop() 
{
  for(int i = 0; i<16;i++)
  {
    for(int j = 0; j<4; j++)
    {
      digitalWrite(selection[j], bitRead(i,j));
      Serial.print(bitRead(i,j));
    }
    Serial.println("");
    Serial.print("C");
    Serial.print(i);
    Serial.print(" = ");
    Serial.println(analogRead(sensePin));
    delay(2000);
  }
}