Arduino UNO 3、ボタン入力 Grove- Button で遊ぶ

参考

結果

プログラム

//Grove_Button_UNO_1

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin as an output.
  pinMode(13, OUTPUT);
  // initialize digital pin as an input.
  pinMode(14, OUTPUT); //14 = A0
}

// the loop function runs over and over again forever
void loop() {
  int a = digitalRead(14);
  digitalWrite(13, a);   // turn the on (HIGH is the voltage level)
  delay(200);                       // wait for a second
}