手作りブザーで蛍光灯を点ける

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Uploaded by on Aug 13, 2008

手動でのON/OFFは疲れるので、粗雑な電磁ブザーを作ってみました。これなら、一応自動で開閉してくれるので楽ちん。レシプロ方式のニューマンマシンは電流のON/O­FFにブザー機構を使ってましたっけね。筒状の永久磁石がコイルの中で上下運動。コイルが冷えて結露するので、たまった水をホースでバケツに。なんか、エアコンによく似て­るなぁ。

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