Sidik Susilo, Erny Listijorini, Fikri Ardiansyah and Ula, S. U. (2023) “DESIGN OF AUTOMATIC SLIDING DOOR BASED ON ARDUINO USING ULTRASONIC SENSORS AS A PREVENTATIVE THE SPREAD OF COVID-19”, DINAMIS, 11(1), pp. 43–47. doi: 10.32734/dinamis.v11i1.12610.