编制A/D转换程序采集直流电压，将A/D结果用LCD显示，并将A/D转换结果通过IIC接口写入指定的EEPROM单元的程序并调试。-Preparation of A/D conversion process collecting DC voltage, the A/D result display LCD, program and A/D conversion result is written by IIC interface specified EEPROM cell and debug.