| Summary: | 碩士 === 國立臺灣科技大學 === 自動化及控制研究所 === 106 === Nowadays, the terms such as “Industry 4.0”、”IoT” become popular with Information Technology(IT). Lots of data could all be searched and controlled everywhere in the world through Internet. And by the progress of IT and rising environmental-friendly consciousness, people try to improve life-being using IOT technology. The research in this thesis intends to design a remote monitoring system with smart sensing technology, which is based on MQTT.
Most of the existing sensors send and collect data via RS-485 and analog output. Thus, sensors, controllers and interfaces all need to transmit data in a wired network, which results in wiring problem and also limits the transmission distance. By transmitting via MQTT, mentioned in this research, sensors could collect data together through Internet so that we would be able to monitor and control remotely. The MQTT protocol uses a publish/subscribe architecture in contrast to Modbus with its request/response paradigm which means MQTT can transmit or receive multiple data at one time .Thus, MQTT has an advantage in IoT applications. To get to this step, This study uses Arduino pairs with Ethernet Network as hardware of sensing-end, C# from Microsoft .Net as server developing language, and for the interface development, the Android Studio is used to develop an exclusive mobile application.
This research implements MQTT intelligent remotely-monitoring system. Sensors anywhere can be collected and then spreaded the local data, such as temperature, humidity, CO2 concentration and all the others through MQTT. Data sent would pass through MQTT Broker to servers and user interfaces, by that, fulfill the vision: Remote Monitoring for housing environment.
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