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本文介绍了利用汽车前照灯检测仪的现有微机硬件资源，扩充了I／O接口，使仪器能接收主计算机的控制信号和增加了模拟量输出功能，达到了该仪器与汽车安全性能检测线联网的目的。
This paper introduces the use of automotive headlamp detector of the existing computer hardware resources, expanded I / O interface, the instrument can receive the host computer control signals and an increase of analog output function, to achieve the instrument and vehicle safety testing The purpose of networking.