REVIEW PAPER ON FOOTSTEP POWER GENERATION SYSTEM USING MICROCONTROLLER. International Engineering Journal For Research & Development, [S. l.], v. 6, n. 4, p. 4, 2021. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/3010. Acesso em: 30 sep. 2026.