void setup() {
  // put your setup code here, to run once:

  Serial.begin(115200);

  Serial.println("Ready..");
  for (int i = 150;i<200;i++){
  char achar = i;
  Serial.print(i,DEC);
  Serial.print(" : ");
  Serial.println(achar);
  }

}

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

}