//Exercise #2
//Change the program to blink on and off 5 times then stop for 3 seconds. Each blink should be 0.5s

int led1 = D2;

void setup() {
    // Configure the pins to be outputs
    pinMode(led1, OUTPUT);
   
}

void loop() {
    
    for (int i = 0; i < 5; i++) {
        digitalWrite(led1, HIGH);
        delay(500);
    
        digitalWrite(led1, LOW);
        delay(500);
    }
    
    delay(3000);
    
}