A Digital Clock that Can Also Be Used by a Blind Person
Salih Fadıl, Berk Karadeniz, Bayram Yıldırım, Olkan Kaymaz, Alperen Çelik · 2024
In this project, a digital clock application with auditory feedback capabilities has been developed for visually impaired individuals. STM32G030C8T6 was used as the controller in the hardware of the system. Additionally, a 20×4 LCD is employed for visual output. The STM32 microcontroller's internal clock module provides real-time data which is displayed on the LCD. The user can access features such as getting real time and date as audio feedback, time setting, alarm functionality, voice recording, alarm sound selection, and volume control through buttons and a menu interface. A distinctive feature of the system is its ability to record up to two 30-second alarm sounds, elevating the product beyond a conventional clock by enhancing its utility in daily life. A user-friendly box design was created using a 3D modeling environment, with special consideration for the target users. The buttons and switches are equipped with Braille, making the device more accessible for visually impaired users.