Bayu, R. B. S., and R. P. . Astutik. “Rancang Bangun Smarthome Berbasis QR Code Dengan Mikrokontroller Module ESP32”. JASEE Journal of Application and Science on Electrical Engineering, vol. 2, no. 01, Apr. 2021, pp. 47-60, doi:10.31328/jasee.v2i01.60.