//app.ino #define LED_PIN 8 //8番ピン // the setup function runs once when you press reset or power the board void setup() { // initialize digital pin LED_BUILTIN as an output. pinMode(LED_BUILTIN, OUTPUT); pinMode(LED_PIN, OUTPUT); //ピンを出力に設定 } // the loop function runs over and over again forever void loop() { digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level) digitalWrite(LED_PIN, HIGH); //LEDを点灯 delay(1000); // wait for a second digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW digitalWrite(LED_PIN, LOW); //LEDを点灯 delay(1000); // wait for a second }