void setup() {
  Serial.begin(115200); 
  for(int i=1;i<=15;i++){
      pinMode(i,ANALOG);
  }
}
void loop() {
    
   int index = 0; 

  for (int pin = 1; pin <= 15; pin++) {
    v[index] = analogReadMilliVolts(pin); 
    Serial.print(String(v[index]));

    if (index < 13) { 
      Serial.print(",");
    }

    index++; 
  }

  Serial.println(); 
  delay(1000);
    
}