Automatic Chocolate Vending Machine By Using Arduino Uno . International Journal of Innovative Research in Computer Science & Technology, [S. l.], v. 5, n. 2, p. 226–229, 2024. Disponível em: https://www.journals.acspublisher.com/index.php/ijircst/article/view/13490. Acesso em: 1 jun. 2025.