Build Instructions

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• 1

  Introduction

  Welcome to the wonderful world of BrailleBot, your very own Braille language trainer! BrailleBot is a special project designed to make learning the Braille alphabet not only easy but also super fun, especially for kids who are visually impaired.

  Imagine having a personal Braille tutor right at your fingertips! What makes BrailleBot even more amazing is that it won't break the bank—it's a budget-friendly option, coming in at just under $100. Now, let's dive into what BrailleBot is all about.

  BrailleBot is a hands-on learning tool crafted to teach the Braille alphabet from A to Z. It's like having a playful friend that guides you through the world of Braille in an engaging way. The surface of BrailleBot is equipped with six dots, and each dot is controlled by a small servo motor. These dots create the tactile sensations that represent different letters in the Braille alphabet.

  But wait, there's more! BrailleBot doesn't just stop at tactile learning—it also has an audio system. This means you not only feel the Braille dots but also hear the corresponding letters being vocalized. It's a multi-sensory experience, making the learning journey more enjoyable and effective.

  Behind the scenes, BrailleBot is powered by the Romeo ESP32-S3 board, the brains that ensure everything runs smoothly and efficiently. So, whether you're a beginner trying to grasp the basics of Braille or a parent looking for an accessible and affordable learning tool for your visually impaired child, BrailleBot is here to open up a world of possibilities.

  Get ready to embark on a Braille adventure with BrailleBot—where learning is hands-on, interactive, and loads of fun!

• 2

  Supplies

  1x Romeo ESP32-S3 Development Board

  6x Servo Motors

  1x DFPlayer Mini

  1x Memory Card

  1x Speaker

  1x Jumper WiresSet

  1x Screws

  2x Touch Sensor

  My Equipment's:

  Screwdriver Set

  3D Printer

  Sponsored By NextPCB

  This project is successfully completed because of the help and support from NextPCB -Reliable Multilayer PCB Manufacturer. NextPCB is one of the most experienced PCB manufacturers in Global, has specialized in the PCB and assembly industry for over 15 years.

  Order high-quality, reliable PCB starting at $1.9, multilayer starting at $6.9:

  https://www.nextpcb.com/pcb-quote

  Enjoy free PCB assembly for 5 boards:

  https://www.nextpcb.com/pcb-assembly-quote

  DFM free online PCB Gerber viewer:

  https://www.nextpcb.com/free-online-gerber-viewer.html

• 3

  How BrailleBot Works?

  1. Servo Motor Control:

  • Each of the 6 dots on the Braille surface is linked to a servo motor.
  • When a specific alphabet is chosen for display, the corresponding servo motors rotate by a set degree, causing the connected dot to lift.

  2. Dot Movement:

  • The servo motors are programmed to lift the dots precisely, creating a tactile representation of Braille characters.
  • This controlled movement ensures accurate positioning of the dots on the Braille surface, providing a clear and distinguishable touch experience.

  3. Alphabet Selection:

  • The control system of BrailleBot, powered by the Romeo ESP32-S3 board, determines which servo motors to activate based on the selected alphabet.
  • For instance, to display the letter 'A,' specific servo motors corresponding to the dots forming the letter 'A' are rotated.

  4. Audio System Integration:

  • Simultaneously, the audio system connected to BrailleBot announces the selected alphabet.
  • This audio feedback serves to reinforce the tactile learning experience, creating a multi-sensory approach to Braille education.
  • The synchronization of tactile and auditory input enhances the user's understanding of the Braille characters and their pronunciation.

  5. User Interaction:

  • BrailleBot incorporates two touch sensors, one on each side, allowing users to interact with the system.
  • Users can navigate through the Braille alphabet using these touch sensors. One sensor may be designated for moving to the next alphabet, while the other is for moving to the previous one.
  • This interactive feature promotes user engagement, making the learning process more dynamic and enjoyable.

  https://content.instructables.com/FGD/C9NF/LPGX6440/FGDC9NFLPGX6440.mp4
  

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