char buffer[20],buffer2[8];
const float BETA = 3950;
void setup()
{
Serial.begin(9600);
}
void loop()
{
//waktu
int analogValue = analogRead(A0);
float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
dtostrf(celsius,5,2,buffer2);
sprintf (buffer, "Suhu : %s",buffer2 );
Serial.println(buffer);

}