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

  while(!Serial){continue;}
  Serial.println("Serial connection established");

  Serial.println("Enter a string and press Enter:");
}


void loop() {
  delay(10);
  if (Serial.available() > 0) {
    char ch = Serial.read();
    String str = "";
    
    while (ch != '\n') {
      if (ch >= 32 && ch <= 126) { // Check if the character is printable
        str += ch; // Append the character to the string
      }
      if (Serial.available() > 0) {
        ch = Serial.read(); // Read the next character
      }
    }

    Serial.print("Received String: ");
    Serial.println(str);
    Serial.println("Enter another string and press Enter:");
  }
}