buzzer relay

基本解释

The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.
电枢：电磁装置的移动部分，如继电器，蜂音器或扬声器。
odict.net
The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.
电枢电磁装置的移动部分，如继电器。
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。