本程序是以51单片机的24c02读写操作，单片机教程：http://www.ipbb.cn，主要把要写入的数据写入24C02中，然后再读出来通过蜂鸣发出声。-This procedure is based on 51 microcontroller 24c02 read and write operations, microcontroller tutorial: http://www.ipbb.cn, primarily to write the data to write 24C02, and then read out by the buzz of making sound.