Earthquake alarm

The invention discloses an earthquake alarm which is reasonable in structural design and convenient to use, earthquake waves are monitored through a geophone, detected data are transmitted to a single-chip microcomputer through a data acquisition card so as to analyze earthquake grades, the single-chip microcomputer can control an LED lamp and a loudspeaker to give an early warning alarm according to different earthquake grades, and meanwhile, the LED lamp and the loudspeaker can be reset through the switch, so that sound and light alarm signals are effectively controlled. 本发明公开了一种地震报警器，本发明结构设计合理，使用方便，通过地震检波器对地震波进行监测，并将检测到的数据通过数据采集卡传输给单片机，从而分析出地震等级，所述单片机可根据地震等级的不同，控制LED灯及扬声器发出预警警报，从而保证人身安全，同时通过开关可将LED灯及扬声器进行复位，从而有效控制声音及灯光报警信号。