MAHMUD, Muhammad Nizamullah; BAHAROM, Md Nor Ramdon. Development of UPS for Pedestrian Traffic Light Using Solar- Piezo and Grid Power Supplies. Evolution in Electrical and Electronic Engineering, [S. l.], v. 3, n. 1, p. 477–489, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/eeee/article/view/6993.. Acesso em: 18 jul. 2024.