/*
  AnalogReadSerial

  Reads an analog input on pin 0, prints the result to the Serial Monitor.
  Graphical representation is available using Serial Plotter (Tools > Serial Plotter menu).
  Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.

  This example code is in the public domain.

  https://docs.arduino.cc/built-in-examples/basics/AnalogReadSerial/
*/

const int sensorPin1 = A0;
const int sensorPin2 = A1;
const int sensorPin3 = A2;
const int sensorPin4 = A3;

// the setup routine runs once when you press reset:
void setup() {
  // initialize serial communication at 9600 bits per second:
  Serial.begin(9600);
}

// the loop routine runs over and over again forever:
void loop() {

  int sensorValue1 = analogRead(sensorPin1);
  int sensorValue2 = analogRead(sensorPin2);
  int sensorValue3 = analogRead(sensorPin3);
  int sensorValue4 = analogRead(sensorPin4);

  Serial.print(sensorValue1);
  Serial.print(",");
  Serial.print(sensorValue2);
  Serial.print(",");
  Serial.print(sensorValue3);
  Serial.print(",");
  Serial.println(sensorValue4);   
  // newline ends packet

  delay(200);   // much smaller delay
}