ALARM, Calculator, Calender, Memo, Wold clock, Keyboard lock.
闹钟，计算器，日程表，备忘录，世界时钟，自动键盘锁。
The num Lock key and virtual numeric keyboard are gone.
数码锁定键和虚拟数字键盘都没有了。
S have rehabilitation disk lock function: more than one minute keyboard automatically locked, again operation to reconsider to unlock, in case the incorrect operation happened.
具有健盘锁定功能：超过一分钟键盘自动锁定，再次操作需重新解锁，以防误操作发生。
This paper introduces the electronic keyboard, AT89C2051 by matrix combination lock MCU, leds display and alarm systems.
本文介绍的电子密码锁由矩阵键盘、AT 89 C 2051单片机、发光二极管显示和报警系统组成。
This paper introduces the electronic keyboard, AT89C2051 by matrix combination lock MCU, leds display and alarm systems.
本文介绍的电子密码锁由矩阵键盘、AT 89 C 2051单片机、发光二极管显示和报警系统组成。
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