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.
通过键盘输入电子密码锁密码，按键确定。
Keyboard input through the electronic code lock password, key to determine.
而电子密码锁因为较安全可靠而具有广泛的应用前景。
While the electronic combination lock because more safe and reliable and has wide application prospects.
而电子密码锁因为较安全可靠而具有广泛的应用前景。
While the electronic combination lock because more safe and reliable and has wide application prospects.
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