Ifansyah, Siti Nafisa, Nurmahni Harahap, and Rizka Anggia Dinda. “Development of a Microcontroller-Based Blind Smart Tool Design to Detect Obstacles Above and Below Automatically”. Journal of Society Innovation and Development 5, no. 2 (May 6, 2024): 185–196. Accessed February 15, 2026. https://journal.institutre.org/index.php/jsid/article/view/66.