该方案通过AT89S52单片机读取实时时钟芯片DS1302和数字温度芯片DS18B20的内部数据，并进行处理后送到1602液晶显示来实现全部功能。-That clock mainly adopts the AT89S52 single-chip microcomputer as the main control core, provides clock through the DS1302 clock chip, collects and converts temperature through