char chardec;
char charhex;
char charbin;
char charoct;
char charascii;

void setup() {
  Serial.begin(9600);
  
  chardec = 114;
  charhex = 0x72;
  charbin = B1110010;
  charoct = 0162;
  charascii = 'r';
  Serial.println(chardec);
  Serial.println(charhex);
  Serial.println(charbin);
  Serial.println(charoct);
  Serial.println(charascii);

}

void loop() {
  // put your main code here, to run repeatedly:

}