Rara N, Heri Suroyo. Pemrograman Sensor Coin Acceptor Pada Pengembangan Coffe Vending Machine Berbasis Internet Of Things (IoT) . JUPITER [Internet]. 2023 Apr. 1 [cited 2026 Nov. 12];15(1b):355-64. Available from: https://jurnal.polsri.ac.id/index.php/jupiter/article/view/5438