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- 定时控制系统(AT89C51+DS1302+DS1620+LM032L) -Timing control system (AT89C51+DS1302+DS1620+LM032L)
Electronic-calendar-
- 基于单片机AT89C51控制,采用DS1302时钟芯片的电子万年历-Based on single-chip microcomputer AT89C51, using DS1302 clock chip electronic perpetual calendar