ACHMAD DEDDY KURNIAWAN; BAMBANG KURNIAWAN; RIKA MELYANI; YUDA IRAWAN. Automatic Dispenser Prevents Covid Transmission Using Ultrasonic Sensor and Arduino Uno. Journal of Applied Social and Informatics Science, [S. l.], v. 5, n. 1, p. 1–12, 2023. Disponível em: https://e-journal.ptti.info/index.php/jasis/article/view/107. Acesso em: 5 sep. 2026.