International Journal of Trend in Scientific Research and Development (IJTSRD)

Volume 7 Issue 1, January-February 2023 Available Online: www.ijtsrd.com e-ISSN: 2456 – 6470

Third Eye for Blind using Ultrasonic Sensor Vibrator Glove

Dr. B. Rambabu, S. Navya, M. Sahithi Vyas, A. Dishendra Sekhar
Department of Electronics and Instrumentation Engineering,
Lakireddy Balireddy College of Engineering, Mylaravam, Andhra Pradesh, India

ABSTRACT How to cite this paper: Dr. B. Rambabu

| S. Navya
The primary goal of the project is to enable blind people to use an RF remote to find |their
M. gloves.
Sahithi This
Vyassystem
| A. gives
Dishendra Sekhar "Third Eye for Blind
using Ultrasonic Sensor Vibrator
Glove" Publishedin
International
Journal of Trend in
Scientific Research
and Development
(ijtsrd), ISSN: IJTSRD53888
2456-6470,
Volume-7 | Issue-1,
February 2023, pp.1396-1400, URL:
www.ijtsrd.com/papers/ijtsrd53888.pdf

Copyright © 2023 by author (s) and

International Journal of Trend in
Scientific Research and Development
Journal. This is an
Open Access article
distributed under the
terms of the Creative Commons
Attribution License (CC BY 4.0)
(http://creativecommons.org/licenses/by/4.0)
KEYWORDS: blind people, RF remote, security, sensors,
emergency alert messages, precise location, stair detection, obstacle
recognition, microcontroller, GPS receiver, GSM modem, and
tracking system

1. INTRODUCTION
Blindness can significantly impact a person's ability When a blind person wears the glove, the ultrasonic
to navigate and interact with the world around sensor sends out a signal that bounces off objects in
them. However, recent technological advancements the environment and returns to the sensor. The
have made it possible to develop devices that can sensor then sends this information to the
help people with visual impairments to regain some microcontroller, which converts it into vibrations.
degree of independence. One such device is a third These vibrations are transmitted to the fingertips of
eye for the blind, which uses ultrasonic vibrations the glove, providing the wearer with a sense of the
to provide sensory information about the objects in their surroundings. For example, if there
surrounding environment. is a wall nearby, the wearer will feel a strong
The third eye for the blind consists of a glove with vibration in their fingertips, indicating the presence
ultrasonic vibrators attached to the fingertips. The of the wall.
vibrators are controlled by a microcontroller, which 2. LITERATURE SURVEY
receives input from an ultrasonic sensor mounted Several systems are connected to the development
on the back of the glove. The sensor emits of projects for the blind and are intended to improve
ultrasonic waves that bounce off objects in the the effectiveness of the system. Thanks to this
surrounding environment and are detected by the literature research, we have successfully addressed
sensor. The microcontroller then converts this numerous design and software improvements.
information into vibrations that are transmitted to explains a better method for blind folks to navigate.
the fingertips of the glove. It's possible that the smart stick can help you get
around several obstacles. Blind people are unable to
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participate in daily activities such as going on
walks, exercising,

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 International Journal of Trend in Scientific Research and Development @ www.ijtsrd.com eISSN: 2456-
talking to friends and family, and doing daily freely available, allowing for collaborative
activities. The approach can therefore help people development and innovation. In conclusion, Arduino
participate to show that they are willing to address UNO is a versatile
this pressing issue. to experience a sense of security
and freedom from the excitement of an unexpected
roadside meeting. A visually handicapped person
uses a smart cane. An individual can recognize
knee-high obstructions and enhance GPS navigation
for the user. The position that the user is holding is
fixed to the sensors. The development of wearable
ultrasonic obstacle sensors is helping the blind and
visually impaired by enabling communication
through electronic gloves for deaf and blind people.
To communicate with others, they used sign
language, which is extremely difficult to use and
understand because it entails nearly 6000
movements. The hand movements used by the
model to communicate the letters and numbers total
26. This will allow deaf people to interact with
others by writing messages on the Liquid Crystal
Display (LCD) screen and waving their hands The
text is changed into speech for the blind to hear and
talk.
3. HARDWARE DESCRIPTION
Components used in the third eye for the blind
using an ultrasonic sensor vibrator glove are:
A. Arduino UNO
Arduino UNO is a popular microcontroller board
based on the ATmega328P microcontroller. It has
14 digital input/output pins, 6 analogy inputs, a 16
MHz quartz crystal oscillator, a USB connection, a
power jack, and an ICSP header. The digital pins
can be used for both input and output, and they can
also be used to control PWM (Pulse Width
Modulation) signals. The analogy inputs can
measure a voltage in the range of 0 to 5 volts, and
they can be used to read values from sensors such as
temperature sensors, light sensors, and
potentiometers.
The Arduino UNO board is easy to use and
program, even for beginners. It has a built-in
programming environment based on the Processing
language, which is simple and intuitive. The code is
written in the Arduino IDE (Integrated Development
Environment) and uploaded to the board via the
USB connection. The Arduino UNO can be
programmed in C or C++, and there are many
libraries and examples available online to help with
programming.
The Arduino UNO board is widely used for a
variety of applications, including robotics, home
automation, and prototyping. It is an affordable and
flexible platform that can be customized to suit the
needs of different projects. The open-source nature
of Arduino also means that the design and code are
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 International Journal of Trend in Scientific Research and Development @ www.ijtsrd.com eISSN: 2456-
microcontroller board that can be used for a wide
range of applications. Its ease of use, affordability
and open-source nature make it a popular choice
for hobbyists, students, and professionals alike.

Fig.1: Arduino UNO

B. Ultrasonic Sensor
An ultrasonic sensor is a device that uses sound
waves to detect the distance between an object and
the sensor. It typically consists of a transceiver,
which generates and receives the sound waves, and
a control circuit that processes the signal and
determines the distance.
The pin configuration of an ultrasonic sensor can
vary depending on the specific model and
manufacturer. However, a common configuration
for a 4-pin ultrasonic sensor is as follows:
 Vcc: This pin is used to provide power to the
ultrasonic sensor. It is typically connected to a
5V power supply.
 Gnd: This pin is used as the ground connection
for the ultrasonic sensor. It is typically
connected to the ground of the power supply.
 Trig: This pin is used to trigger the ultrasonic
sensor to send out a sound wave. It is typically
connected to a digital output pin of a
microcontroller.
 Echo: This pin is used to receive the reflected
sound wave from the object being detected. It
is typically connected to a digital input pin of a
microcontroller.

Fig.2: Ultrasonic
Sensor

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 International Journal of Trend in Scientific Research and Development @ www.ijtsrd.com eISSN: 2456-
C. SIM800L GSM Module
 Quad-Band 850/900/1800/1900MHz: It
supports a wide range of frequency bands,
making it suitable for use in most countries.
 GPRS multi-slot class 12/10: It can handle both
GPRS Class 12 and 10 data transfers, which
means it can transmit data at up to 85.6 kbps.
 Coding schemes CS 1, 2, 3, 4: The module
supports a range of coding schemes for data Fig.4: Voice Module
transfer, which allows for optimized data
E. Buzzer
transmission depending on the network A buzzer is an electronic device that produces
conditions. sound when an electrical signal is applied to it. It is
 Embedded TCP/UDP stack: The module has an commonly used in various applications, including
embedded TCP/UDP stack, which allows for alarms, musical instruments, and game consoles.
easy integration with different types of The buzzer consists of a piezoelectric transducer
microcontrollers and systems that converts electrical energy into mechanical
vibrations that produce sound waves. The transducer
 AT command interface: The module has an AT is typically a small ceramic disc that is sandwiched
command interface that can be used to send and between two metal plates. When an electrical signal
receive SMS messages, initiate voice calls, and is applied to the buzzer, the disc vibrates at a
manage data connections. specific frequency, producing a sound wave. The
frequency of the sound produced by the buzzer is
determined by the frequency of the electrical signal
applied to it. Most buzzers have a resonant
frequency that is typically in the range of a few
kilohertz to several kilohertz. By varying the
frequency of the electrical signal, the pitch of the
sound produced by the buzzer can be changed.
Buzzers can be activated by applying a voltage to
them, either directly or through a transistor or other
switching device. They can be driven by a variety of
Fig.3: SIM800L GSM Module sources, including microcontrollers, timers, or other
electronic circuits. In conclusion, a buzzer is an
electronic device that produces sound when an
D. Voice Module
electrical signal is applied to it. It consists of a
A voice module is an electronic device that is used
piezoelectric transducer that converts electrical
to produce sound or speech in response to an input
energy into mechanical vibrations that produce
signal. It typically consists of a microcontroller, a
sound waves. The frequency of the sound produced
digital signal processor, and a speaker or audio
by the buzzer can be varied by changing the
output device.
frequency of the electrical signal applied to it.
The voice module can be programmed to play pre- Buzzers can be activated by applying a voltage to
recorded audio files or to generate speech using a them, and they can be driven by a variety of
text-to-speech algorithm. It can be used in a wide sources, including microcontrollers and other
range of applications, including voice alerts, electronic circuits.
navigation systems, and interactive toys.
The voice module can be controlled using various
input methods, including buttons, sensors, and
serial communication. It can also be integrated with
other electronic devices, such as microcontrollers
and computers.
Overall, the voice module is a versatile and useful
component for adding audio output to electronic
devices and projects.

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Fig.5: Buzzer

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 International Journal of Trend in Scientific Research and Development @ www.ijtsrd.com eISSN: 2456-
BLOCK DIAGRAM

Fig.6: Functional Diagram

WORKING OPERATION
The idea of using an ultrasonic vibrator glove to
help blind people "see" through their third eye is
based on the principle of echolocation, which is the
ability of some animals (such as bats and dolphins)
to navigate and detect objects by emitting sounds RESULT
and analyzing the echoes that bounce back. In this The ultrasonic vibrator glove is a fascinating
case, the glove would have ultrasonic sensors that concept that has been explored by researchers and
emit high- frequency sound waves (above the range developers as a tool to help the blind navigate their
of human hearing) and detect the echoes of these environment. By emitting high-frequency sound
waves as they bounce back from nearby objects. waves, the glove can detect objects in the wearer's
The glove would then convert these echoes into surroundings and translate the information into
vibrations that can be felt by the wearer. vibrations that are felt by the user. This technology
The wearer would wear the glove and move their is non-invasive and low- cost, and the use of
hand around in the environment. As the ultrasonic ultrasonic waves allows for a high level of accuracy
sensors detect objects, the glove would generate in object detection.
vibrations on the fingers or hand corresponding to Several prototypes of the ultrasonic vibrator glove
the location and distance of the objects, allowing have been developed and tested, including those
the wearer to "sense" their surroundings and from teams at UCLA and the University of Bath.
navigate more effectively. The principle behind this These gloves use ultrasonic sensors and haptic
technology is similar to that used in some existing feedback to provide users with a sense of touch and
assistive devices for blind people, such as object detection.
echolocation-based canes or sonar glasses.
However, the ultrasonic vibrator glove offers the The potential benefits of this technology are
advantage of being more discreet and providing significant, as it could greatly improve the quality
more detailed feedback through the vibrations, of life for individuals with visual impairments.
which can be tailored to the user's preferences and Continued research and development could lead to
needs. the widespread availability and accessibility of the
ultrasonic vibrator glove, providing an innovative
It should be noted that this technology is still in the tool to help the blind navigate their environment.
developmental stage and further research and
testing will be needed to determine its effectiveness CONCLUSION
and practicality. The concept of using an ultrasonic vibrator glove to
assist the blind is a promising development in
assistive technology. The glove would use
ultrasonic sensors to detect objects and obstacles in
the user's path, and the vibrating motors would
provide feedback on location and proximity. This
could potentially improve the independence and
safety of blind individuals, enabling them to
navigate their surroundings with greater confidence.

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 International Journal of Trend in Scientific Research and Development @ www.ijtsrd.com eISSN: 2456-
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