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Design and realization of digital lock based on EM78447B
Author(s): 
Pages: 24-26
Year: Issue:  10
Journal: ELECTRONIC PRODUCTS CHINA

Keyword:  单片机I2C总线显示驱动键盘;
Abstract: 本文主要介绍了以EM78447B单片机为核心的数码锁的结构与工作原理,以显示/键盘电路作为与用户的交互,以I2C总线提供与存储芯片的握手信号,并在以上的基础上实现数码驱动及报警功能.
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