According to the World Health Organization, 2.2 billion people globally have some vision impairment. Blind and vision impairment children can undergo poor motor, language, and cognitive evolution, bringing lower levels of educational success. Our proposal aims to design and develop a one-character refreshable braille display that is affordable and easy to use through the Internet of Things (IoT) technology. Reading is essential to acquire knowledge by allowing an affordable form of reading based on braille, a handy tool for teaching and training blind and visually impaired peop...

Access to information is a fundamental human right. According to the Universal Declaration of Human Rights of 1948, the right of access to information is part of the fundamental right to freedom of expression. Thanks to the Internet, today it can be said that in most countries, people enjoy access to all kinds of content in different media: text, image, audio and video, and through different digital devices: desktop computers, laptops. and mobile devices. However, there is a significant segment of the world's population who find it difficult and sometimes impossible to access content; These ar...