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555 timer IC - Wikipedia, the free encyclopedia
瀏覽：1383
日期：2026-04-24
The 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse generation, and oscillator applications. The 555 can be used to provide time delays, as an oscillator, and as a flip-flop element. Derivatives provide up to four timing cir...看更多
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