The working principle and the functions of the monostability multivibrator composed of 555 timer are introduced in the paper,and the time switches are designed.

 
  • 介紹了用555定時(shí)器構成的單穩態(tài)觸發(fā)器的工作原理,對其功能作了進(jìn)一步探討,在此基礎上設計了一種具有實(shí)用價(jià)值的定時(shí)-非定時(shí)兩用開(kāi)關(guān)。
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