Edit requests of マイコンボードを中継器にして PC に電子部品を接続し、Ruby で制御してみた（発光ダイオード編）

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We released Markdown parser changes on February 24, 2022. There may be some unexpected appearance changes in this update, because this article was posted before the changes.
Please don't forget to check the preview before updating your article.
For more information on the changes, please read this article.