“Rancang Bangun Sensor Kelembaban Tanah Untuk Sistem Irigasi Tanaman Kaktus Berbasis Android”. Krisnadana Journal 2, no. 2 (January 30, 2023): 354 – 361. Accessed July 8, 2026. https://ejournal.sidyanusa.org/index.php/jkdn/article/view/248.