25-06-2017, 06:29 PM
sir,i want blind stick report.please send me
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blind stick with audio interface ppt
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sir,i want blind stick report.please send me
30-06-2017, 09:30 AM
Blind stick is an innovative stick designed for people with visual impairment to improve navigation. Here we propose an advanced blind stick that allows people with visual challenges to navigate easily using advanced technology. The blind stick integrates with the ultrasonic sensor along with the light and the water it detects. Our proposed project uses ultrasonic sensors first to detect obstacles ahead using ultrasonic waves. Upon detection of obstacles, the sensor passes this data to the microcontroller. The microcontroller then processes these data and calculates whether the obstacle is close enough. If the obstacle is not so close the circuit does nothing. If the obstacle is near, the microcontroller sends a signal to sound a buzzer. It also detects and sounds a different buzzer if it detects water and alerts the blind. One more feature is that it allows the blind to detect whether there is light or darkness in the room. The system has a more advanced feature integrated to help the blind find their stick if they forget where they kept it. For this, a rf-based wireless remote control is used. Pressing the remote button sounds a buzzer on the stick that helps the blind person find his stick. Therefore, this system allows the detection of obstacles as well as finding stick if poorly placed by visually impaired people.
It can be understood in the following video:
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