基于单片机的盲人智能手杖设计

Design of the Blind Intelligent Walking Stick Based on Single Chip Microcomputer

传统的导盲杖已经不能保障盲人的安全出行,本系统以单片机STC89C52作为核心处理器,采用超声波测距技术,ISD1420语音芯片,利用proteus软件搭建了系统各模块的硬件仿真电路,结合Keil C平台进行了软件编程实现。通过调试和测试,本系统设计的盲人的智能手杖,可以对道路上的障碍物进行距离探测,并提供语音提示、时间播报、灯光示警等功能,为盲人提供行走时避让障碍物服务,起到避免安全隐患的作用。

The traditional walking stick can not guarantee the safe travel of the blind.This system uses the single-chip STC89C52 as the core processor,adopts ultrasonic ranging technology,ISD1420 voice chip,and uses the proteus software to build the hardware simulation circuit of each module of the system,combined with Keil C platform is implemented by software programming.Through debugging and testing,the system design blind intelligent walking stick,can detect the obstacles on the road,and provide voice prompts,time broadcast,light alarms,etc.,to provide blind people with obstacles when walking,to avoid potential safety hazards.