The second includes installation of an intercom and buzzer system in every police cell , linked to a console beside the duty officer ' s desk.
第二项计划包括在警署每个羁留室安装一个内部通话器及警钟系统，连接至当值人员办公桌旁的一个控制台。
The system achieves multi-channel temperature signal acquisition and control. Temperature limit is set by keyboard. The buzzer and relay are controlled by MCU.
本系统可以实现多路温度信号采集与显示，可以使用按键来设置温度限定值，通过进行温度数据的运算处理，发出控制信号达到控制蜂鸣器和继电器的目的。
Accompanied by the keyboard module and alarm module consisting of the diode and buzzer, complete temperature control system hardware is formed.
配以键盘模块及由二极管、蜂鸣器组成的报警模块，组合成较为完整的温度控制系统硬件。
When some environmental values exceeded the setting upper and lower limit or faults come out, control system would send out alarm by buzzer and LED.
当环境内某一环境因子超出预先设定的上、下限报警值或系统运行出现故障时，由蜂鸣器和发光二极管进行报警。
To FPGA development platform for the traffic signal system, with a countdown and the buzzer function.
以FPGA为开发平台的交通信号系统，带有倒计时和蜂鸣器功能。
To FPGA development platform for the traffic signal system, with a countdown and the buzzer function.
以FPGA为开发平台的交通信号系统，带有倒计时和蜂鸣器功能。
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