//mux adc
#define muxPin  34
#define s0 12
#define s1 14
#define s2 27
#define s3 26
#define resolution 10
#define numChannels 4
#define numInputs sqrt(numChannels)
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");//
  pinMode(muxPin, INPUT);
  pinMode(s0, OUTPUT);
  pinMode(s1, OUTPUT);
  pinMode(s2, OUTPUT);
  pinMode(s3, OUTPUT);

  //analogReadResolution(resolution);
// digitalWrite(s1,1);
 digitalWrite(s0,1);

}

int sPins[numChannels] = {s0,s1,s2,s3};
int readings[numChannels];

void loop() {
  int muxVal = analogRead(muxPin);
  // put your main code here, to run repeatedly:
  
  for(int i=0; i<numChannels;i++){
  Serial.print(1 & i);//s0 = 0, s0 = 1
  Serial.print((2 & i)/2);
  Serial.print((4 & i)/4);
  
  
  digitalWrite(s0, 1 & i);
  digitalWrite(s1,(2 & i)/2);
  digitalWrite(s2,(4 & i)/4);
  digitalWrite(s3,(8&i)/8);

  Serial.print("  potVal: ");
  muxVal = analogRead(muxPin);
  Serial.println(muxVal);
  readings[i]=muxVal;
  delay(1000); // this speeds up the simulation
  }


}