2016汽車駕照的筆試 汽車筆試沒過汽車駕照筆試有效期限汽車筆試時效2015汽車駕照筆試是採用什麼方法考的?2016

我想要做一個抽水機的控制電路，能選擇馬達啟動時間的，就是說用一個選擇開關，然後可以選馬達啟動的時間，分成10分鐘與20分鐘的，這樣是不是要買2個計時器，那我想要就是說按鈕開關只有ON，沒有OFF的按鈕開關，然後OFF的時間就是有2個計時器這樣。

幫我畫圖
拜託

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