Suriana, I Wayan, I Wayan Dikse Pancane, I Wayan Sugarayasa, and I Nyoman Gede Adrama. 2025. “Design of Automatic Car Parking Sensor System Using Arduino Uno Program and HC-SR04 Ultrasonic Sensor”. Open Science and Technology 5 (1):18-26. https://doi.org/10.33292/ost.v5i1.147.