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Active Buzzer

active_buzzer.livemd

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)