Передача данных между Arduino

[VXXXV]

//Охлаждение
float Tmp;
int Tmp2, Tmp1; 
byte TGau, MinT, MaxT, PWM1, PWM2, PWMS,spray,Gal,AC,LS,HS,EST,Frost;
byte ID30_OK, IDcol, idcol;
//дисплей
String forNext;
String inStr = ""; //  приемник информации от Nextion

//Свет
byte BS_set,BS_NF,DS_set,DS_NF,GAB_set,PTF_set,DRL_set,DRL_30,EPR;// Исходящие данные
byte Tout1,Tout2,BS_uNF,BS_uset,DS_uNF,DS_uset,GAB_uset,PTF_uset,POV_u,POWER,DRL_u;// Входящие данные
  

void printNextion(const char* data, String top, String page = "0"){
    String spage = "page"+page+"."+top+".txt=\"";
    Serial2.print(spage);
    Serial2.print(data);
    Serial2.print("\"");
    Serial2.write(0xFF);
    Serial2.write(0xFF);
    Serial2.write(0xFF);
}

void printNextionVal(const char* data, String top, String page = "0"){
    String spage = "page"+page+"."+top+".val=";
    Serial2.print(spage);
    Serial2.print(data);
    Serial2.write(0xFF);
    Serial2.write(0xFF);
    Serial2.write(0xFF);
}

void setNextionCmd(const char* data){
    Serial2.print(data);
    Serial2.write(0xFF);
    Serial2.write(0xFF);
    Serial2.write(0xFF);
  
}

String readNextion(){
  char _bite;
  char _end = 0xff;//end of file x3
  String cmd;
  int countEnd = 0;
  unsigned long start = millis();
  while(Serial2.available()>0){
  delay(5);
  if(Serial2.available()>0){
    _bite = Serial2.read();
    cmd += String(_bite, HEX);
    if(_bite == _end){
    countEnd++;
    }
    if(countEnd == 3){
    break;
    }
  }
  }
  return cmd;

}


void setup(){
Serial.begin(57600);   // USB
Serial1.begin(9600); // ШИНА RS485
Serial2.begin(115200);// Nextion


pinMode(13,OUTPUT);
setNextionCmd("bkcmd=0");   
}

void loop(){
    

/*****************************************************************************/
/*      Прием данных от ID30 Cooler                                          */
/*****************************************************************************/
digitalWrite(13,HIGH);
delay(1);
Serial1.write(30);
delay(1);
digitalWrite(13,LOW);
delay(45);
if (Serial1.available()){   idcol = Serial1.peek();
                                if(idcol==30){
                                idcol = Serial1.read();
                                Frost = Serial1.read(); 
                                Tmp1 = Serial1.read();
                                Tmp2 = Serial1.read();
                                spray = Serial1.read();
                                Gal = Serial1.read();
                                MinT = Serial1.read();
                                MaxT = Serial1.read();
                                PWM1 = Serial1.read();
                                PWM2 = Serial1.read();
                                PWMS = Serial1.read();
                                AC = Serial1.read();
                                LS = Serial1.read();
                                HS = Serial1.read();
                                EST = Serial1.read();
                                IDcol = Serial1.read();
                                if(idcol==IDcol){ID30_OK=1;}else{ID30_OK=0;}
                               }}
                               else{Serial1.flush();}
                                
   Serial.print(idcol);
   Serial.print(" ");
   Serial.print(Frost);
   Serial.print(" ");
   Serial.print(Tmp1);
   Serial.print(" ");
   Serial.print(Tmp2);
   Serial.print(" ");
   Serial.print(spray);
   Serial.print(" ");
   Serial.print(Gal);
   Serial.print(" ");
   Serial.print(MinT);
   Serial.print(" ");
   Serial.print(MaxT);
   Serial.print(" ");
   Serial.print(PWM1);
   Serial.print(" ");
   Serial.print(PWM2);
   Serial.print(" ");
   Serial.print(PWMS);
   Serial.print(" ");
   Serial.print(AC);
   Serial.print(" ");
   Serial.print(LS);
   Serial.print(" ");
   Serial.print(HS);
   Serial.print(" ");
   Serial.print(EST);
   Serial.print(" ");
   Serial.print(IDcol);
   Serial.print(" ");
   Serial.println(ID30_OK);

Приемник, остальной код передачи на дисплей закоментин. Скорость на обоих ставлю одинаковые