A microphone on the outside of the door and a speaker inside allowed an occupant to interrogate a visitor, while an alarm could alert police via radio. Closed-circuit television, invented during ...

while other systems can integrate additional sensors for comprehensive fire monitoring. Overall, this Fire Alarm Detection system exemplifies a critical component of fire safety infrastructure, ...

School of Electronic Science and Engineering, Southeast University, No. 2 Southeast University Road, Jiangning, Nanjing, Jiangsu 211189, China ...

The Gas Detection System is a real-time monitoring application designed to detect hazardous gases such as LPG, methane, and carbon monoxide. The system uses sensors to detect gas concentration in the ...

This project aims to empower users to lead a healthier and safer lifestyle.