Browsing by Author "Pinzon-Nieto, Katerin"

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    Diseño de un Sistema de Alarma con Botón de Pánico para los Corredores Seguros en Situaciones de Robo
    Pinzon-Nieto, Katerin; Niño-Villamil, Daniel; Umbacia-Betancourt, Eliana
    The purpose of this project is to design, assemble, and validate a prototype portable alarm with a panic button aimed at strengthening security in university safe corridors and reducing response times to theft situations, The system integrates wireless communication modules (XBee PRO S3B), GPS geolocation, and a monitoring interface implemented in Node-RED, complemented by a Telegram Chat Bot for automatic notification of alerts in real time. During this development period, the prototype was designed and assembled, selecting low-energy consumption electronic components that are highly compatible with each other. Experimental tests were also carried out with antennas of different gains, including a 5 dB omnidirectional antenna and a 15 dB Yagi directional antenna, in order to evaluate the range, link stability, and accuracy of the GPS locator. In general terms, the results demonstrated the reliable performance of the system in university environments. In conclusion, the prototype developed demonstrates the technical and functional viability of a portable alert system based on IoT technologies, capable of contributing to the safety and well-being of the university community through a rapid, traceable, and accessible response.