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STM32-WWDGPLCD1602-Sec-counter
- WWDG+LCD1602秒表实验；* WWDG + LCD1602 秒表实验 *两个按键中断方式控制，计时精确到10ms *key1--Start/Stop---PA8(板子上User键) key2---Clear---PC13(板子上Tamper键) *LCD1602接线：D0~D7--->PD[0..7] RS->PE0 RW->PE1 E->PE2(外部接上拉电阻到5V) *by 追梦 2011-4-8 *change by:追梦 2011-
DS12C887
- ds12cr887源程序，亲测可用。可以实现精确计时，闹钟定时等功能。-Ds12cr887 source program, kiss is available. Can achieve precise timing, alarm clock timing etc. Function.