Arduino 2 - Receiver

void setup() {
  Serial.begin(9600); // Initialize UART communication at 9600 baud
  Serial.setTimeout(1000); // Set a timeout for Serial.read()
}

void loop() {
  if (Serial.available() > 0) { // Check if data is available to read
    String message = Serial.readString(); // Read the incoming message
    Serial.print("Received: ");
    Serial.println(message); // Print the received message to the Serial Monitor
  }
}