Delpiero, M. B., Muhammad Muttaqin, and Hafni. “Design of an Anti-Intruder Security Sensor on a Home Door Based on the Internet of Things Using a Reed Switch Sensor (Magnetic Door) and a NodeMCU Microcontroller”. Instal : Jurnal Komputer, vol. 17, no. 12, Feb. 2026, pp. 836-45, doi:10.54209/jurnalinstall.v17i12.473.