Description: The design mainly for in paragraph 5 electricity voltage alarm indicator circuit development. It is mainly electricity grid voltage is divided into five paragraphs, and use five different colors of light-emitting diodes were instructed electricity voltage in which the various states. For the over-and undervoltage In both cases, given the sound alarm
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- [AAT4684] - Undervoltage overvoltage protection chip
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aaa.doc
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