Hackers who access the network will have the ability to turn off alarm systems and lights, leaving the home vulnerable to a break-in, or the theft could be more electronic.

黑客们会通过网络关掉你的自动警报系统或者照明系统，你的家就会很容易地被侵入，使电子盗窃也变得很容易。

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They're widely used in UPS systems, electronic instruments, emergency lighting, fire alarm and security, electromotive tools and toys, telecommunication system, etc.

广泛应用于UPS电源、电子仪器、应用照明系统、安全报警系统、电动工具及玩具、电会传系统、通讯设备领域。

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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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