Blink答案

void setup()

{

pinMode(8, OUTPUT);

pinMode(9, OUTPUT);

pinMode(10, OUTPUT);

}

void loop()

{

digitalWrite(8, HIGH);

digitalWrite(9, LOW);

digitalWrite(10, LOW);

delay(1000);

digitalWrite(8, LOW);

digitalWrite(9, HIGH);

digitalWrite(10, HIGH);

delay(1000);

digitalWrite(8, LOW);

digitalWrite(9, LOW);

digitalWrite(10, HIGH);

}