“…The Raspberry Pi was employed in various face recognition applications because of its superiority and portability ( Gunawan et al, 2017 ), a door unlocking system using Raspberry Pi ( Vamsi, Sai & Vijayalakshmi, 2019 ; Selvaraj, Alagarsamy & Dhilipkumar, 2021 ), Sajjad et al (2020) suggested a system that helps the police to find missing persons and suspects using wireless cameras, Hasban et al (2019) proposed an attendance system for the classroom, Ambre, Masurekar & Gaikwad (2020) produced a face recognition system using Raspberry Pi that can be used by governments to save money for CCTV monitoring staff ( Gaikwad, 2020 ), Majid et al (2021) proposed a PCA method for face recognition, but the best recognition rate they achieved was 82.5%.…”