Design of an IoT-Based Assistive Device for the Visually Impaired with Voice Guidance and Location Monitoring
Perancangan Perangkat Asistif Tunanetra Berbasis IoT Dengan Panduan Suara dan Pemantauan Lokasi
DOI:
https://doi.org/10.21070/ups.10908Keywords:
Visually Impaired, Ultrasonic Sensors, GPS, Voice Guidance, ESP32, Internet of Things (IoT)Abstract
Visually impaired individuals often face difficulties in mobility and environmental awareness, increasing safety risks during independent activities. Conventional assistive devices such as canes have limitations in obstacle detection and lack location monitoring features. Therefore, this study aims to develop an Internet of Things (IoT)-based assistive device with voice guidance and real-time location monitoring. The research method used is Research and Development (R&D), including system design, prototype development, and testing. The system integrates ultrasonic sensors for obstacle detection, a Neo-8 GPS module for location tracking, an ESP32 microcontroller, and a DFPlayer Mini with a speaker for audio output. Location data are transmitted via Wi-Fi to the Telegram application for remote monitoring. Test results show stable obstacle detection at 30–160 cm and GPS positional differences of 3.32–6.28 meters compared to Google Maps, indicating reliable system performance.
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