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28. 下圖是利用 Arduino 數位接腳 Pin9 接 LED 燈的程式,試問輸出結果如何? (A)LED 燈亮 30 毫秒,暗 30 毫秒,不斷重複(B)LED 燈每隔 5 毫秒漸漸變亮,再每隔
問題詳情
28. 下圖是利用 Arduino 數位接腳 Pin9 接 LED 燈的程式,試問輸出結果如何?
(A)LED 燈亮 30 毫秒,暗 30 毫秒,不斷重複
(B)LED 燈每隔 5 毫秒漸漸變亮,再每隔 5 毫秒漸漸變暗,不斷重複
(C) LED 燈每隔 30 毫秒漸漸變亮,再每隔 30 毫秒漸漸變暗,不斷重複
(D)LED 燈亮 5 毫秒,暗 5 毫秒,不斷重複。
參考答案
答案:C
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