PRAYOGO, Patrick Kristo; PRATAMA, Legenda Prameswono; JUNESCO, Devan. Home Security System Based on Raspberry Pi and PIR Sensor Using WhatsApp Messenger. Journal of Global Engineering Research and Science, [S. l.], v. 4, n. 1, p. 1–10, 2025. DOI: 10.56904/j-gers.v4i1.134. Disponível em: https://journal.jgu.ac.id/index.php/jgers/article/view/134. Acesso em: 24 feb. 2026.