Multi-sensor security alarm system with Internet of Things (IoT)

The advancement of Internet of Things (IoT) technology has enabled the development of intelligent automated security alarm systems. This developmental study aimed to develop a multi-sensor security alarm system integrated with IoT to enhance monitoring for establishments, homes, or buildings lacking dedicated security personnel. The device was designed to minimize false alarms, improve user control and awareness, and deliver timely alerts via a mobile app and SMS notifications. The research focused on describing the device’s technical features, composition, and operating performance; evaluating its sensitivity in terms of distance, intensity, and varying internet speeds; assessing its connectivity through mobile app and SMS functions; and determining its acceptability in terms of technical features, composition, and operating performance.Data were collected using observation and evaluation sheets and analyzed using the arithmetic mean. The device was evaluated by 30 participants from the industry, end-user,and academe at Capiz State University. Results showed that the device was reliable, user-friendly, and effective across residential, commercial, and industrial settings. It included solar-powered backup for uninterrupted operation and allowed remote monitoring and control. The device accurately detected human presence at short distances and strong vibrations, though its sensitivity decreased at longer ranges and with lighter vibrations. It maintained functionality at low internet speeds and consistently sent alerts through mobile app and SMS. The modular design also supports future upgrades. Overall, the devicewas evaluated as "Very Acceptable" in terms of technical features, composition, and operating performance, confirming its potential as a dependable and adaptable security solution.