     // Stop encryption on PCD
     mfrc522.PCD_StopCrypto1();
 }
-void dump_byte_array(byte *buffer, byte bufferSize) {
+
+
+void dump_byte_array(byte *buffer, byte bufferSize) { //dump byte array function
     for (byte i = 0; i < bufferSize; i++) {
         Serial.print(buffer[i] < 0x10 ? " 0" : " ");
         Serial.print(buffer[i], HEX);


***********************************************/

#include "LCD12864RSPI.h"
#include "DFrobot_bmp.h"
#include "DFrobot_char.h"

}

void loop(){
  
 mouthservo.write(40);
  
 int r1=0;
 int r2=0;
 int r3=0;
 int r4=0;
 byte b1,b2,b3,b4; 
 if(Serial.available()>3){
   b1=Serial.read();
   b2=Serial.read();
   b3=Serial.read();
   b4=Serial.read();     
   if(b1=='s'){ //indicates a math problem is coming
     displayfuse(b2-48,b3-48,b4-48); //fuses the three numbers after the s to a math problem.
   }
 } 
 readrfid();
}

void readloop(int length){
 long starttime= millis();
