Open AccessContactless Doorbell with the Use of an Ultrasonic Sensor
Author(s) -
MAEd Elmerson L. Barañao,
Darleen F. Alayon,
Sofia Gabrielle V. Pelaez,
Reese David P. Larrauri
Publication year - 2022
Publication title -
international journal of research publications
Language(s) - English
Resource type - Journals
ISSN - 2708-3578
DOI - 10.47119/ijrp100971320222974
Subject(s) - buzzer , ultrasonic sensor , computer science , arduino , visitor pattern , computer hardware , real time computing , simulation , acoustics , embedded system , engineering , electrical engineering , physics , programming language , alarm