Arduino string to hexadecimal number for large color serial port screen.

String Zi_Fu_Chuan = " I'm Chinese ABCD4567.879";// character string 

void setup() {
    
  Serial.begin(115200);
}

void loop() {
    
  delay(1000);
  
  // String rotation 16 Base number 
  Serial.println(Zi_Fu_Chuan_Zhuai_16_Jin_Zhi_Shu(Zi_Fu_Chuan));
}



/**************************************************  String rotation 16 Base number  **************************************************/
String Zi_Fu_Chuan_Zhuai_16_Jin_Zhi_Shu(String Zi_Fu_Chuan) {
    
  String _16_Jin_Zhi_Shu = "";

  for (int i = 0; i < Zi_Fu_Chuan.length(); i++) {
    
    _16_Jin_Zhi_Shu += String(Zi_Fu_Chuan[i], HEX);
  }

  return _16_Jin_Zhi_Shu;
}