The Project implementing is a Gas leakage alarm system that senses the leakage of LPG from Gas cylinder or Gas stove and gives a warning alarm. Its further modification can be automatic cut off the electricity system in the home and also a battery operated exhaust fan to remove the leaked gas from the room.
Continue reading “Gas Leakage Alarm System”
This project is based on the PIR Motion sensor to detect human movement and alarm generation as a surveillance system for home and office. The circuit sends the alarm sound wirelessly to the interior of home and also switches on the outdoor lights when it detects a human movement. Continue reading “PIR sensor based home surveillance system”