DESY, F. T. .; SURTONO, A. .; SUPRIYANTO, A.; JUNAIDI, J. Rancang Bangun Purwarupa Pemilah Nanas Berdasarkan Tingkat Kematangan Menggunakan Mikrokontroler Blue Pill STM32F103C8T6. Journal of Energy, Material, and Instrumentation Technology, [S. l.], v. 1, n. 3, p. 81–90, 2020. DOI: 10.23960/jemit.v1i3.27. Disponível em: https://jemit.fmipa.unila.ac.id/index.php/jurnal/article/view/27. Acesso em: 3 jan. 2026.