const int buttonPin = 6; // PORT D 2
const int ledPin = 7;   // PORT D 7

// Variable to store the current state of the button
int buttonState = 0;

void setup() {
 // Initialize the button pin as an input
 pinMode(buttonPin, INPUT);

 // Initialize the LED pin as an output
 pinMode(ledPin, OUTPUT);
}

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

 // Check if the button is pressed
 if (buttonState == HIGH) {
    // Wait for the button to be released
    while (digitalRead(buttonPin) == HIGH) {
      delay(50);
    }

    // Toggle the LED state
    digitalWrite(ledPin, !digitalRead(ledPin));
 }
}