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Smart home appliances nowadays can be networked utilizing the IoT communication protocols. Appliances can be monitored and controlled using local switches and remote access via mobile phones. Many systems are reported in the literature based on single monitoring and controlling mode utilizing text, voice or gesture commands. This paper presents an IoT-based Dual-mode system to monitor and control home appliances. In the proposed system, home appliances are interfaced with a general purpose digital and analog inputs and outputs of a single chip microcontroller. The microcontroller has a built-in wireless access point that enables the system to communicate with a home server. The system has two different operation modes. The first mode makes use of a mobile app interface with virtual switches and sliders to monitor and control appliances. The second mode is chat-based that uses text or audio commands fitted with natural language processing to monitor and control the home appliances. The proposed system is scalable in that it is able to add and remove rooms on demand. For validation and testing purpose, a prototype is built that includes home appliances, room controllers, home server and a mobile app.
While the cost of living is going up, there is a growing focus to involve technology to lower those prices. Covering a wide application field, WSNs can play an important role by collecting surrounding context and environment information. Some of the challenges are security and quality of service management and network configuration. Effective implementation for Internet of Things used for monitoring regular environmental conditional process by means of low cost omnipresent sensing unit. This project illustrates an effective low-cost and flexible solution for power management, condition monitoring and energy management in home. The basic operations include remote management and control of domestic devices such as electric lamp; water heater etc., unobtrusive monitoring of domestic utilizations and providing ambient intelligence to reduce the energy consumption through technology are the key functions of the developed system.
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