int temp = A0;
float temp_celsius;
float Voltage;
float analog_reading;
float temp_far;
void setup()
{
  pinMode (A0, INPUT);
  Serial.begin(9600);
}
void loop()
{

  analog_reading = analogRead(A0);
  Serial.print("Analog reading:");
  Serial.println(analog_reading);

  Voltage = analog_reading*5/1024;

  Serial.print("Volatage reading:");
  Serial.println (Voltage);

  temp_celsius = 100*(Voltage - 0.5);
  Serial.println("Celsius reading:" + String(temp_celsius)+(" c"));
  temp_far = (temp_celsius * 9/50) +32;
  Serial.println("Fahrenheit reading:" +String(temp_far) +(" F\n"));
  delay(3000);
}