const int ledPin = 10;  // LED connected to digital pin D10

void setup() {
  Serial.begin(115200);
  pinMode(ledPin, OUTPUT);  // Set the LED pin as output
  Serial.println("Enter a string:");
}

void loop() {
  if (Serial.available() > 0) {
    // Step 1: Get input from user as a string
    String inputString = Serial.readString();
    inputString.trim();  // Remove any extra whitespace or newline characters

    String combinedBinary = "";  // To store the combined binary sequence

    // Step 2, 3: Convert string to ASCII, then to binary, and combine the binary
    for (int i = 0; i < inputString.length(); i++) {
      char currentChar = inputString.charAt(i);
      int asciiValue = int(currentChar);  // Convert to ASCII value
      String binaryValue = String(asciiValue, BIN);  // Convert to binary

      // Make sure binary value is 8 bits long (pad with leading zeros if necessary)
      while (binaryValue.length() < 8) {
        binaryValue = "0" + binaryValue;
      }

      // Combine the binary string
      combinedBinary += binaryValue;
    }

    // Step 4: Blink LED based on the combined binary sequence
    Serial.print("Combined Binary Sequence: ");
    Serial.println(combinedBinary);

    // Blink LED based on the combined binary sequence
    for (int i = 0; i < combinedBinary.length(); i++) {
      if (combinedBinary.charAt(i) == '1') {
        digitalWrite(ledPin, HIGH);  // LED ON
      } else {
        digitalWrite(ledPin, LOW);   // LED OFF
      }
      delay(200);  // Delay to see the blink clearly (adjust timing if needed)
    }

    // Ask for the next input string after a short delay
    Serial.println("\nEnter another string:");
    delay(2000);  // Delay before accepting the next input
  }
}