void setup()
{
   Serial.begin(9600);     //  opens serial port, sets data rate to 9600 bps

}
float time = 0;
void loop()
{

//Conversion formula for voltage
   float input_voltage = 0.0;
   float input_voltage2 = 0.0;

   int analog_value = analogRead(A0);
     int analog_value2 = analogRead(A1);
   input_voltage = ((analog_value) * 5.0) / 1024.0;
    input_voltage2 = (analog_value2 * 5.0) / 1024.0;

   if (input_voltage < 0.1)
   {
     input_voltage=0.0;
   }
    //Serial.print("v= ");
    Serial.print(time);
    Serial.print(",");
    Serial.print(input_voltage);
    Serial.print(",");
    Serial.println(input_voltage2);
    //Serial.println(",");
    delay(1000);
    time++;// = (time+500)/60;
}