Deni Hidayat, and Siti Nur Istiqomah. “Perancangan Mesin Pengering Kopi Otomatis Dengan Arduino Uno”. Jurnal Engine: Energi, Manufaktur, dan Material 9, no. 1 (April 19, 2025): 091–101. Accessed July 11, 2025. https://ejournal.up45.ac.id/index.php/Jurnal_ENGINE/article/view/2159.