230问答网 > 用51单片机单片机做数码管万年历，要什么芯片驱动数码管比较好呢？

用51单片机单片机做数码管万年历，要什么芯片驱动数码管比较好呢？

2025-02-01 04:18:25
推荐回答（2个）
回答1：

用74HC573锁存器，只如果是14个数码管的话，用3个锁存器就够了。
一共需要用到单片机的11个IO口

回答2：

你好，
可以用7447BCD码编译器
O(∩_∩)O

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