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VISION V.2.0(Bangla Voice
Assistant Hand and Eye
Device for Blind People)
TEAM SPARK
Problem
 A large number of people in our country are visually impaired.
 Lack of technological support.
 Specially for people of lower middle class or lower class there is lack of support.
 No smart devices are currently available in market for blind people.
 If available they are costly and not affordable for a certain target market.
 People are afraid of complex use of technology
Solution
 Vision our smart hand device for blind people. It helps a person to walk smoothly
in streets or home . It helps them by guiding in local language. Anyone can set the
voice commands in his favorite local language and move.
 The device is easy to use and required a very little amount to produce that anyone
would love to have it.
 It works on a rechargeable battery and it takes ½ hours for full charge.
 The device guide a person to move front , to wait someone in front, to move right,
to move left etc.
 The glass looks like an ordinary glass with smart features.
Methodology
Some theoretical and technical methods are followed to develop this system.
First of all to design the hand and eye device a proper design was imagined
and painted which sets at someone's hand and eye comfortably. Use of
ultrasonic vision for obstacle detection. Ultrasonic can detect obstacle up to
a specific distance. Ultrasonic sensor we have used here can detect up to 2
cm to 400 cm. It is programmed in a way that it will start giving alert of
obstacles between a moderate gap from user to obstacle. Microcontroller
and other circuit elements are designed compactly so that it won’t harm the
user. For charging the battery there is a separate port. There is 3.5 mm
headphone jack for user to connect his headphone with the device.
A View of Device
FULL VIEW
How Sensor works
Controller Design & Implementation
 We have used atmega328 IC with arduino microcontroller board. We have used
audio module for voice navigation and ultrasonic sensor for obstacle detection.
 Power supply used 12 volt. We have connected and powered the circuit using LED
acid battery.
Unique Selling Point
 We have developed this product for greater benefit of humankind. We have no
motive to sell it and making profit.
 Public’s satisfaction is our profit.
 So far no such device is available in local market.
 In global market it is available with higher price.
Business Model
 Production Cost :
900 taka
 Marketing and promotion :
1000-2000 taka per month
 Selling Cost:
700 taka (For 100 piece production)
Team Strength
Our team is consist of seven members . All are students,alumni of Electrical and Computer
Engineering and Masters of Business Administration North South University.We have
web developer, App developer,Graphics Designer, Animator, Hardware expert and
business development minds in our team. Our team has previous experience of
developing prototypes, mobile applications and smart systems. Our team is recognized
both National and Internationally. We have developd 70+ mobile applications, 20+
prototypes. Team was recognized world champion in IoT segment by IIT Mumbai,
Recognized by make magazine and New york hall of science,Smart city hackaton
winner, Basis National ICT Award and Best young innovator award by A2i.

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Vision v.2.0

  • 1. VISION V.2.0(Bangla Voice Assistant Hand and Eye Device for Blind People) TEAM SPARK
  • 2. Problem  A large number of people in our country are visually impaired.  Lack of technological support.  Specially for people of lower middle class or lower class there is lack of support.  No smart devices are currently available in market for blind people.  If available they are costly and not affordable for a certain target market.  People are afraid of complex use of technology
  • 3. Solution  Vision our smart hand device for blind people. It helps a person to walk smoothly in streets or home . It helps them by guiding in local language. Anyone can set the voice commands in his favorite local language and move.  The device is easy to use and required a very little amount to produce that anyone would love to have it.  It works on a rechargeable battery and it takes ½ hours for full charge.  The device guide a person to move front , to wait someone in front, to move right, to move left etc.  The glass looks like an ordinary glass with smart features.
  • 4. Methodology Some theoretical and technical methods are followed to develop this system. First of all to design the hand and eye device a proper design was imagined and painted which sets at someone's hand and eye comfortably. Use of ultrasonic vision for obstacle detection. Ultrasonic can detect obstacle up to a specific distance. Ultrasonic sensor we have used here can detect up to 2 cm to 400 cm. It is programmed in a way that it will start giving alert of obstacles between a moderate gap from user to obstacle. Microcontroller and other circuit elements are designed compactly so that it won’t harm the user. For charging the battery there is a separate port. There is 3.5 mm headphone jack for user to connect his headphone with the device.
  • 5. A View of Device
  • 8. Controller Design & Implementation  We have used atmega328 IC with arduino microcontroller board. We have used audio module for voice navigation and ultrasonic sensor for obstacle detection.  Power supply used 12 volt. We have connected and powered the circuit using LED acid battery.
  • 9. Unique Selling Point  We have developed this product for greater benefit of humankind. We have no motive to sell it and making profit.  Public’s satisfaction is our profit.  So far no such device is available in local market.  In global market it is available with higher price.
  • 10. Business Model  Production Cost : 900 taka  Marketing and promotion : 1000-2000 taka per month  Selling Cost: 700 taka (For 100 piece production)
  • 11. Team Strength Our team is consist of seven members . All are students,alumni of Electrical and Computer Engineering and Masters of Business Administration North South University.We have web developer, App developer,Graphics Designer, Animator, Hardware expert and business development minds in our team. Our team has previous experience of developing prototypes, mobile applications and smart systems. Our team is recognized both National and Internationally. We have developd 70+ mobile applications, 20+ prototypes. Team was recognized world champion in IoT segment by IIT Mumbai, Recognized by make magazine and New york hall of science,Smart city hackaton winner, Basis National ICT Award and Best young innovator award by A2i.