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// Exercise 1_2

int led = D2;

void setup() {
    pinMode( led, OUTPUT );
}

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