The basic principle of spectrum method in color measuring and its specialty are analyzed , and it is used in judging the ending of acid - alkali titration . the whole structure and the light source driver circuit are designed in detail ; the single chip control system ' s hardware interface and software design are given 分析了光譜法顏色測量的基本原理及特點(diǎn),并將它應(yīng)用于酸堿滴定的終點(diǎn)判斷,具體設(shè)計(jì)了顏色測量系統(tǒng)的整體結(jié)構(gòu)與光源驅(qū)動(dòng)電路。