HANAFI, M.; ALMASRI. Design and Implementation of an Arduino-Based Bluetooth-Controlled Shopping Trolley with Ultrasonic Sensor Integration. Journal of Hypermedia & Technology-Enhanced Learning, [S. l.], v. 2, n. 3, p. 320–337, 2024. DOI: 10.58536/j-hytel.v2i3.148. Disponível em: https://edutech-journals.org/index.php/j-hytel/article/view/148. Acesso em: 20 oct. 2025.