IMPLEMENTATION
OF PATH CLEARING ASSIST STICK FOR THE
BLIND
Technical Specifications:
Title
of the project : Implementation
of path clearing assist stick for the blind
Domain : Embedded System Design
Software : C, Keil, Proload
Microcontroller : AT89S52
Power Supply : +5V,
500mA Regulated Power Supply
Applications : Industries,
Process Control, Natural Gas
ABSTRACT
Now-a-days many accidents occur due to
intense traffic. It is very difficult for blind people for path finding without
others help. This project helps us to facilitate blind people in path clearing
assistance and obstacle detection.
In this project we will be using 2 modules
path clearing assist stick. Path clearing assist stick is used to detect any
obstacles in front through an obstacle sensor and sends a signal to the
microcontroller which produces beep sound.
This
project uses regulated 5V, 500mA power supply. Unregulated 12V DC is used for
relay. 7805 three terminal voltage regulator is used for voltage regulation.
Bridge type full wave rectifier is used to rectify the ac out put of secondary
of 230/12V step down transformer.
BLOCK DIAGRAM:
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