void setup()
{
pinMode(11, OUTPUT); //Set the Pin as an Output
}
void loop()
{
digitalWrite(11, HIGH); // Turn on the LED
delay(1000); // Wait for one second
digitalWrite(11, LOW); // Turn off the LED
delay(1000); // Wait for one second
}

const int buttonPin = 7;
const int ledPin = 8;
int buttonState = 0;
void setup()
{
pinMode(ledPin, OUTPUT);
pinMode(buttonPin, INPUT_PULLUP);
}
void loop()
{
buttonState = digitalRead(buttonPin);
if (buttonState == HIGH)
{
digitalWrite(ledPin, HIGH);
}
else
{
digitalWrite(ledPin, LOW);
}
}