Hutajulu AG, Daffa DA. Design and Implementation of a Solar-Powered Pest Repellent System for Shallot Farms Using Ultrasonic, and Light Emitters Based on ESP32. J. Tek. Inform. (JUTIF) [Internet]. 2025 Sep. 6 [cited 2025 Sep. 9];6(4):2862-9. Available from: https://jutif.if.unsoed.ac.id/index.php/jurnal/article/view/5198