The smart blind stick automatically detects the obstacle in front of the person and give him a response to the person by vibrating the stick and also with a warning sound.
Smart blind stick using ultrasonic sensor pdf.
Of course you can use a vibrator motor in place of buzzer and advance a lot more using your creativity.
Blind walking stick using arduino ultrasonic sensor hc sr04.
This smart stick will have an ultrasonic sensor to sense distance from any obstacle ldr to sense lighting conditions and a rf remote using which the blind man could remotely locate his stick all the feedbacks will be given to the blind man through a buzzer.
Almost 30 million people are blind according to the recent who report.
Ny idea for my project since im using vibrating motor and ultrasonic sensor for.
In this project we will learn how to design blind walking stick using arduino ultrasonic sensor hc sr04.
Using this smart blind stick a visually impaired person can walk without anyone s help.