PIR Sensor Activated Camera for Home Security System Using ATMega328p

CCTVs are commonly used to monitor for preventive security and for resolving security breaches. Normally these CCTVs are turned on and are recording footage 24 hours a day and 7 days a week. It is advantageous in full surveillance sweep of the area. However, 24/7 CCTV is storage and power consuming and can take toll in replaying the footages. This paper studied the effect of automating the start and stop recording of a security camera using the Passive infrared sensor, ultrasonic sensor, and temperature sensors to be able to save memory space in SD card and power consumption. The system was able to detect and only record relevant footage which involves a human being within the system's perimeter. The system was able to get an 80%, 90%, and 85% accuracy on human, animal, and overall accuracy respectively.