void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
int sensorReading=analogRead(A1);
Serial.print(sensorReading);
Serial.print(", ");
float v=float((sensorReading)*5)/1023;
//round(v);
Serial.print(v);
Serial.println("V");
delay(1500);
}