Pdf on mar 1 2018 naiwrita dey and others published ultrasonic sensor based smart blind stick find read and cite all the research you need on researchgate.
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.
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.
Almost 30 million people are blind according to the recent who report.
These blind people are totally dependent on others as they can t walk alone.
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.
Blind walking stick using arduino ultrasonic sensor hc sr04.
Smart blind stick project using arduino and sensors.