int sensC=A12;
int sensA=A13;
int sensB=A14;
int sensD=A15;


void setup() {
  Serial.begin(9600);
  Serial.println("CLEARDATA");
  Serial.println("LABEL,A0-Voltage,B0-Voltage,C0-Voltage,D0-Voltage");
}

void loop() {
  Serial.print(analogRead(sensA));
  Serial.print(",");
  Serial.print(analogRead(sensB));
  Serial.print(",");
  Serial.print(analogRead(sensC));
  Serial.print(",");
  Serial.println(analogRead(sensD));
  delay(1000);
}