String hexString;
char  str[20000];


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

    int pp;
    String dateora="80658269788469";
    String r ="";
   r+=char(dateora.substring(0, 2).toInt());
   r+=char(dateora.substring(2, 4).toInt());
   r+=char(dateora.substring(4, 6).toInt());
   r+=char(dateora.substring(6, 8).toInt());
   r+=char(dateora.substring(8, 10).toInt());
   r+=char(dateora.substring(10, 12).toInt());
   r+=char(dateora.substring(12, 14).toInt());


  Serial.println(r);




       dateora="04032023105000";
     r ="";
   r+=inttohex(dateora.substring(0, 2).toInt(),2);
   r+=inttohex(dateora.substring(2, 4).toInt(),2);
   r+=inttohex(dateora.substring(4, 6).toInt(),2);
   r+=inttohex(dateora.substring(6, 8).toInt(),2);
   r+=inttohex(dateora.substring(8, 10).toInt(),2);
   r+=inttohex(dateora.substring(10, 12).toInt(),2);
   r+=inttohex(dateora.substring(12, 14).toInt(),2);


  Serial.println(r);

memset(str,0,20000);
//sprintf(str,"66");
Serial.println(str);

sprintf(str+strlen(str),"%s",inttohex(5055,4));

Serial.println(str);

Serial.println(inttohex(5055,4));



}


String inttohex(int decValue, byte desiredStringLength) {
  
  hexString = String(decValue, HEX);
  while (hexString.length() < desiredStringLength) hexString = "0" + hexString;
  
  return hexString;
}


void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}