Sianturi, Widya Veronika, and Mochamad susantok. “Alat Pendeteksi Kematangan Buah Jeruk Berastagi Dan Wokan Berdasarkan Tingkat Keasamaan Buah Menggunakan Sensor Spektral AS7263 Dan Mikrokontroler ESP 32: A Tool to Detect the Ripeness of Berastagi and Wokan Oranges Based on Acidity Levels Using an AS7263 Sensor and an ESP32 Microcontroller”. Jurnal Elektro dan Mesin Terapan 12, no. 1 (May 31, 2026): 1–12. Accessed May 31, 2026. https://jurnal.pcr.ac.id/index.php/elementer/article/view/6731.