单片机控制的智能密码锁，我自己做的一个实验，希望对大家学习有用。
SCM smart locks, I have to do an experiment, and they hope to learn useful to everyone.
我同学做的电子密码锁，单片机的，应该有用。
I have students do an electronic code lock, single chip, it should be useful.
我同学做的电子密码锁，单片机的，应该有用。
I have students do an electronic code lock, single chip, it should be useful.
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