Hirzii MF, Pasaribu SA, Sabila PC, Parlindungan MR. Performance sensor analysis of HC-SR04 proximity sensor on distance measuring device with fuzzy logic method. JoCoSiR [Internet]. 2023 Jul. 30 [cited 2024 Oct. 28];1(3):92-7. Available from: http://journal.aptikomsumut.org/index.php/jocosir/article/view/25