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high-precision-clock
- 用ds12cr887芯片和51单片机做的高精度时钟，能够通过按键设定时间-Microcontroller chip and 51 with ds12cr887 to do high-precision clock, to set the time by key
STC89C52PDS12CR887-electronic-clock
- STC89C52+DS12CR887+1602显示，制作的电子时钟。-STC89C52+DS12CR887+1602 display, making the electronic clock.
51-clock
- 基于51单片机数字时钟，采用DS12CR887时钟芯片，1602液晶显示-Based on 51 single-chip digital clock, clock chip DS12CR887 1602 LCD