//const int rx=6;
   //const int tx=7;
   const int tpin=3;
   //SoftwareSerial mySerial(rx,tx);
   void setup() {
       Serial.begin(9600);
       Serial.println(0000);
   }
   
   void loop() {
       int t;
       t=analogRead(tpin);
       float tc=calcT(t);
       Serial.println(t);
       delay(100);
       
   }
   
   float calcT(int data) {
       float B=3750;
       float T0=298.15;
       float R0=10000.0;
       float R1=11200.0;
       
       float rr1,t;
       rr1= R1 * data / (1024.0 - data);
       t = 1 / (log(rr1 / R0) / B + (1 / T0));
       return (float)(t - 273.15); 
   }