Muttaqin, I.R. and Santoso, D.B. 2021. Prototype Pagar Otomatis Berbasis Arduino Uno Dengan Sensor Ultrasonic Hc-SR04. JE-Unisla. 6, 2 (Sep. 2021), 41–45. DOI:https://doi.org/10.30736/je-unisla.v6i2.695.