介绍了TCS230颜色传感器的特性，结合印刷密度测量的特点，给出了TCS230传感器在彩色反射密度计设计中的使用方法及电路。实验证明，该电路能较好地满足测量需要，实现了彩色反射密度的测量，且在稳定性和精度上达到了设计要求，为TCS230颜色传感器的使用提供了应用实例。

The characteristics of TCS230 color sensor were introduced. The usage and circuit of TCS230 sensor in color reflection densitometer design was given according to the characteristic of printing and density measurement. The experiment result showed that the circuit can better meet the needs of density measurement, color reflection density measurement is realized, and the stability and accuracy meets its design requirements. The purpose was to provide reference for TCS230 color sensor application.