const int s0Pin = 49; // S0 pin
const int s1Pin = 51; // S1 pin
const int s2Pin = 53; // S2 pin
const int s3Pin = 52; // S3 pin

const int numSwitches = 16; // Total number of switches
const int numMuxChannels = 16; // Number of multiplexer channels

void setup() {
  pinMode(s0Pin, OUTPUT);
  pinMode(s1Pin, OUTPUT);
  pinMode(s2Pin, OUTPUT);
  pinMode(s3Pin, OUTPUT);
  
  // Set all the pins to LOW initially
  digitalWrite(s0Pin, LOW);
  digitalWrite(s1Pin, LOW);
  digitalWrite(s2Pin, LOW);
  digitalWrite(s3Pin, LOW);
  
  Serial.begin(9600);
}

void loop() {
  for (int channel = 0; channel < numMuxChannels; ++channel) {
    // Set the multiplexer inputs using binary representation
    digitalWrite(s0Pin, (channel & 0x01) ? HIGH : LOW);
    digitalWrite(s1Pin, (channel & 0x02) ? HIGH : LOW);
    digitalWrite(s2Pin, (channel & 0x04) ? HIGH : LOW);
    digitalWrite(s3Pin, (channel & 0x08) ? HIGH : LOW);
    
    // Read the state of the switch on the current channel
    int switchState = digitalRead(48); // Assuming the switches are connected to analog pin A0
    int test1 = digitalRead(49);
    int test2 = digitalRead(51);
    int test3 = digitalRead(53);
    int test4 = digitalRead(52);
    // Print the channel number and switch state
    Serial.print("Channel: ");
    Serial.print(channel);
    Serial.print(" Switch State: ");
    Serial.println(switchState);
    Serial.print(test1);
  Serial.print(test2);
  Serial.print(test3);
  Serial.print(test4);
    
    delay(500); // Delay for stability
  }
}