Active Buzzer
ピンを開く
{:ok, buzzer} = Circuits.GPIO.open("GPIO17", :output, initial_value: 1)ブザーを鳴らす
Circuits.GPIO.write(buzzer, 0)ブザーを止める
Circuits.GPIO.write(buzzer, 1)ピンを閉じる
Circuits.GPIO.close(buzzer){:ok, buzzer} = Circuits.GPIO.open("GPIO17", :output, initial_value: 1)Circuits.GPIO.write(buzzer, 0)Circuits.GPIO.write(buzzer, 1)Circuits.GPIO.close(buzzer)
