Inclusive innovation: Implementation of low-cost proximity sensors for canes
DOI:
https://doi.org/10.51252/rcsi.v5i1.838Keywords:
autonomy, accessibility, ultrasonic, IoT, microcontrollersAbstract
Visually impaired individuals face challenges in moving safely, affecting their independence and increasing the risk of accidents. This work presents the development of a prototype accessory for canes with ultrasonic sensors, designed to enhance mobility and independence at a low cost. The device, based on IoT, uses an Arduino Nano, an HC-SR04 ultrasonic sensor, and a buzzer, generating progressive acoustic alerts based on obstacle proximity. During testing, it demonstrated high effectiveness in detecting large objects and issuing immediate alerts; however, it showed limitations with small objects, liquids, and humid environments. The need to optimize the battery, which is currently replaceable, was identified, and as a future improvement, the incorporation of wireless charging technologies and LIDAR sensors was proposed for more precise detection. Additionally, it was recommended to include a night LED to alert others and improve the cane's materials for greater durability. The prototype's design is lightweight, accessible, and functional, prioritizing simplicity without compromising reliability. Compared to similar devices, it stands out for its effectiveness and low cost, offering a viable solution to improve the mobility and independence of visually impaired individuals, reducing risks and facilitating social integration.
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Copyright (c) 2025 Herald Gonzales-Saavedra, Kenjy Garcia-Hurtado, Carlos Gallegos-Pinedo, Rodrigo Tenazoa-Bardales, Anthony Ordinola-Sinarahua, Diego Hilario-Putpaña, Dick Diaz-Delgado
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