#include <SoftwareSerial.h>;
SoftwareSerial mySerial(PB1, PB2);
void setup() {
  // put your setup code here, to run once:
  mySerial.begin(9600);
  pinMode (PB3, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int a = 0;
  int b = 0;
  a = analogRead(PB3);
  b = a/4;
  mySerial.write(b);
  delay(20);
}