Arduino nanoを使ったLED個点滅です。
朝食前のお勉強はボケ防止に上等です笑
スケッチはこちら
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void setup()
{
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
}

void loop()
{
digitalWrite(13, HIGH);
digitalWrite(12, LOW);
digitalWrite(11, LOW);
delay(500);
digitalWrite(13, LOW);
digitalWrite(12, HIGH);
digitalWrite(11, LOW);
delay(500);
digitalWrite(13, LOW);
digitalWrite(12, LOW);
digitalWrite(11, HIGH);
delay(500);
}