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ESP32-based Braille-to-Speech Communication Interface for Visually and Vocally Challenged Users
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 187 - Number 87 |
| Year of Publication: 2026 |
| Authors: Saranya M., Sonya J., Harini R.C., Padma J., Shubhashree M., Tharunigha S. |
10.5120/ijca2026926504
|
Saranya M., Sonya J., Harini R.C., Padma J., Shubhashree M., Tharunigha S. . ESP32-based Braille-to-Speech Communication Interface for Visually and Vocally Challenged Users. International Journal of Computer Applications. 187, 87 ( Mar 2026), 20-24. DOI=10.5120/ijca2026926504
Abstract
Assistive communication technologies play a critical role in enabling independent interaction for individuals with multiple disabilities. This paper presents the design and implementation of an ESP32-based Braille-to-speech communication system for visually and vocally challenged users. The system employs a 4×4 keypad matrix to capture Braille patterns and utilizes UART-based serial communication to transmit processed text to a computer for speech synthesis. The generated text is transmitted to a computer via serial communication, where a Python-based text-to-speech engine synthesizes the corresponding speech output. Experimental evaluation demonstrates that the system provides accurate and reliable communication with minimal response delay.
References
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- https://aeldata.com/brief-introduction-to-braille/
- https://www.espressif
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