#include <SoftwareSerial.h>;
SoftwareSerial mySerial(PB1, PB2);


int TC = 0.0; 

void setup() {
  mySerial.begin(115200);
  pinMode(PB3, INPUT);
}

void loop()
{
  TC = (4.8 / log((10000 * 5 * ((analogRead(PB3)) / 1024) / (5 - 5 * ((analogRead(PB3)) / 1024))) / 10000 * exp(-0.01))) - 273;
  mySerial.write(TC);
  delay(20);
}