介绍一种以ARM处理器LPC2138为核心,采用超声波回波信号的A/D采样检测原理,实时测距,液晶屏显示的便携式系统。该系统利用ARM处理器处理速度快的优点,自行处理A/D采样速度。系统的测距范围在0.1~4.5m内,测量精度为1cm,实时性好,准确方便,有较高的推广价值。
- Abstract:
- A portable voltage oscillographicing system which uses ARM processor LPC2138as core is introduced,using the ultrasonic echo signal A/D sampling detection principle,real-time distance measurement,the output LCD screen display.This system uses the ARM processor processing speed,processes the A/D sampling speed voluntarily.The system distance ranging is from0.1to4.5m,the measurement accuracy is1cm.And the system has good real-time performance,accurate and convenient,and worthy of promotion.
声明:本文内容及配图由入驻作者撰写或者入驻合作网站授权转载。文章观点仅代表作者本人,不代表电子发烧友网立场。文章及其配图仅供工程师学习之用,如有内容侵权或者其他违规问题,请联系本站处理。 举报投诉