Interactive Portable Braille Learning Kit for Blind Children

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Introduction: Interactive Portable Braille Learning Kit for Blind Children

About: Opensource contributor /Domain Expert for IEEE(special Interest group) .I design and and develop opensource tools for Visually Impaired.

Most of the Braille learning tools for Blind are expensive and This project is an low cost Electronic device which helps to learn braille.

The project is a disclosure of a portable braille learning kit which is useful for visually impaired for learning braille.

Currently this device supports 3 languages(Kannada,Hindi and English) and the Design, logic used in this program lets user to add

any number of languages.The demonstration of this device is shown in the video.

Step 1: REQUIREMENTS

1.Arduino uno or nano or any custom board having ATMEGA328 or any versions.

2.Speaker or Audio jack

3.Memory Card module

4. 8 Push buttons

Step 2: OUTER BODY

Take any plastic box or even a soapbox is enough

And make the drills as shown in image

Step 3:

Step 4: Wiring Diagram

make the connections as shown in circuit diagram

5-->Enter key

6,7,8-->row keys

2,3-->column keys

11-->mis1

12-->miso

13-->sck

4 -->cs

9-->speaker

Step 5: Audio Processing

Please study the program to know the logic behind audio naming.

To process audio

goto http://audio.online-convert.com/convert-to-wav

follow the process shown in image

and save all the audio files into your memory card

Step 6: Demonstration and Software Code

Load files and run.

Step 7:

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    3 Comments

    Can you send the exact instructions / code? The "instructions" are a bit unclear

    1 reply

    Hi, choe2, the code had few bugs , thats why i took that off,

    now i have uploaded the new version , feel free to use.