void welcome_msg() {
  Serial.println("Hello! Welcome to Arduino QA, please type question number:");
  Serial.println("1. When was Arduino first released?");
  Serial.println("2. Who created Arduino?");
  Serial.println("3. What makes Arduino different from other microcontrollers?");
  Serial.println("4. What types of Arduino boards are available?");
  Serial.println("5. What programming language is used to program Arduino?");
  Serial.println("6. Can Arduino interact with other hardware?");
  Serial.println("7. What is the Arduino IDE?");
  Serial.println("8. Is Arduino compatible with other platforms or software?");
  Serial.println("9. What is the Arduino community like?");
  Serial.println("10. Can Arduino be used for professional projects, or is it just for hobbyists?");
}

void run_qa(int question_number) {
  if (question_number == 1) {
    Serial.println("Answer: Arduino was first released in 2005. The original project was created by Massimo Banzi and David Cuartielles at the Interaction Design Institute Ivrea in Ivrea, Italy.");
  }
  else if (question_number == 2) {
    Serial.println("Answer: Arduino was created by Massimo Banzi, David Cuartielles, Tom Igoe, Gianluca Martino, and David A. Mellis. The project started in Italy at the Interaction Design Institute Ivrea.");
  }
  else if (question_number == 3) {
    Serial.println("Answer: Arduino is designed to be accessible to beginners and experts alike. It is open-source, both in terms of hardware and software, and features a user-friendly Integrated Development Environment (IDE). This makes it easy to get started with microcontroller-based projects, even without prior experience in electronics or programming.");
  }
  else if (question_number == 4) {
    Serial.println("Answer: There are several Arduino boards to choose from, each with different features. Some of the most popular ones include: Arduino Uno, based on the ATmega328 microcontroller; Arduino Mega, with more I/O pins; Arduino Nano, compact for small spaces; Arduino Leonardo, with built-in USB communication.");
  }
  else if (question_number == 5) {
    Serial.println("Answer: Arduino boards are typically programmed using a language based on C/C++. The Arduino IDE uses a simplified version of these languages, making it easier for beginners to write and upload code to the board.");
  }
  else if (question_number == 6) {
    Serial.println("Answer: Yes, Arduino can interface with a wide range of external hardware components, such as sensors, motors, LEDs, displays, and more. It communicates with these components via digital and analog pins, as well as communication protocols like I2C, SPI, and UART.");
  }
  else if (question_number == 7) {
    Serial.println("Answer: The Arduino IDE (Integrated Development Environment) is the software used to write and upload code to Arduino boards. It provides an easy-to-use interface for writing code, compiling it, and transferring it to the board via USB.");
  }
  else if (question_number == 8) {
    Serial.println("Answer: Yes, Arduino is compatible with many other platforms. It supports integration with platforms like Raspberry Pi, Processing, and Scratch.");
  }
  else if (question_number == 9) {
    Serial.println("Answer: The Arduino community is vast, active, and incredibly supportive. There are countless forums, blogs, online tutorials, and project sharing sites where users can share ideas, troubleshoot issues, and learn new things.");
  }
  else if (question_number == 10) {
    Serial.println("Answer: While Arduino was initially designed for hobbyists and educational purposes, it is also used in professional projects. Its ease of use, rapid prototyping capabilities, and cost-effectiveness make it a valuable tool for engineers, designers, and researchers.");
  }
  else {
    Serial.println("Invalid question number. Please enter a number between 1 and 10.");
  }
}

void start_bot() {
  if (Serial.available() > 0) {
    int question_number = Serial.parseInt();
    run_qa(question_number);
  }
}

void setup() {
  Serial.begin(9600);
  welcome_msg();
  Serial.setTimeout(10);
}

void loop() {
  start_bot();
}