//Sending Code

const int nodeId=1;
char textReceived;

int check;
void setup() {
  Serial.begin(9600);
 
}

void loop() {

  if (Serial.available() > 0) {
    check=Serial.parseInt(); //looks at message send by other board and checks for first numeric value it finds
    Serial.write(check);
   
    if (check==nodeId){
      textReceived = Serial.read();
     
      if(textReceived=='A') {//Does not print A, prints same 5 digits
        Serial.print('3');
      }  
    } else {
      Serial.print("message for wrong board");
     }

  }
     
 delay(1000);

}