This paper presents associate electronic navigation system for visually impaired and blind individuals (subject).
This technique understands obstacles around the subject before, left and right direction up to 500cm employing a network of
ultrasonic sensors. It effectively detects the gap between the articles from subject and prepares navigation path consequently
avoiding obstacles. It uses speech feedback to aware the topic regarding the calculated distance and obstacle. Using ultrasonic
device network, this proposed system uses AT89S52 microcontroller based mostly embedded system to process real time
collected data. Supported distance and direction of detected obstacle, relevant pre-recorded speech message hold on in APR9600
non-volatile storage is invoked. Such speech messages are sent to the topic using earphone