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: Audio Processing
you can skip this step, I have already processed and attached it.
Step 4: Wiring Diagram
make the connections as shown in circuit diagram
Step 5: Demonstration and Software Code
Extract Audio-1.zip, save all files in memory card, burn code into arduino and make connections as shown in the diagram.