新手入门：电子密码锁基于555单稳态电路设计

2026-02-26 网络整理佚名1660

Key Point:电子密码锁用电压比较器、555单稳态电路、计数器、JK触发器、UPS电源等设计的数字逻辑电路，实现对门的电子控制，并且有各种附加电路保证电路能够安工作，有极高的安全系数。

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