#define max_char 12
char message[max_char]; // stores your message
char r_char; // reads each character
byte index = 0; // defines the position in your array
int i;

int redPin = 11; // Red RGB pin -> D11
int greenPin = 10; // Green RGB pin -> D10
int bluePin = 9; // Blue RGB pin -> D9
int buttonPin = 2; // Push button pin -> D2

int redValue = 0; // Initialize Red value to 0
int greenValue = 0; // Initialize Green value to 0
int blueValue = 0; // Initialize Blue value to 0

String redTempValue; // Red RGB value
String greenTempValue; // Green RGB value
String blueTempValue; // Blue RGB value

int flag = 0;
char currentColor;

boolean buttonState = false; // Tracks the state of the button
boolean lastButtonState = false; // Tracks the previous state of the button
boolean ledState = true; // Tracks the state of the LED
boolean buttonPressed = false; // Tracks whether the button has been pressed

void setup() {
 pinMode(redPin, OUTPUT);
 pinMode(bluePin, OUTPUT);
 pinMode(greenPin, OUTPUT);
 pinMode(buttonPin, INPUT_PULLUP); // Use the internal pull-up resistor
 Serial.begin(9600); // Initialize serial communication at 9600 bits per second
}

void loop() {
 // Read the state of the button
 buttonState = digitalRead(buttonPin);

 // Check if the button has been pressed
 if (buttonState == LOW) {
  buttonPressed = true;
 }

 // Check if the LED is on and the button has been pressed
 if (ledState && buttonPressed) {
  // Turn off the LED
  ledState = false;

  // Reset the button press flag
  buttonPressed = false;
 }

 // Check if the LED is off and the button has been pressed
 if (!ledState && buttonPressed) {
  // Turn on the LED
  ledState = true;

  // Reset the button press flag
  buttonPressed = false;
 }

 // Set the RGB values based on the LED state
 if (ledState) {
  analogWrite(redPin, redValue);
  analogWrite(greenPin, greenValue);
  analogWrite(bluePin, blueValue);
  Serial.println(message);
  flag = 1;
  for (i = 0; i < 12; i++) {
   message[i] = '\0';
  }
  index = 0;
  }
}