International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 04 | Apr 2019 www.irjet.net p-ISSN: 2395-0072 © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 1504 SMART BUILDING AUTOMATION USING INTERNET OF THINGS M. Murali, Anirudh Ramasami, Surya Varanasi Computer Science Engineering Department, SRM Institute of Science and Technology, Chennai, Tamil Nadu, India -----------------------------------------------------------------------***------------------------------------------------------------------------ Abstract - In modern years, the field of Information and Communication Technology has mainly focused on the Internet of Things (IoT). IoT based services improve the environment in many applications. Home automation based IoT one such versatile and popular application. The application domain of Urban IoT systems like Smart City's whose objective is to take benefit of the current communication technologies in order to provide the best services. One important element of Smart Cities is the Smart Buildings. This, Smart Building, a new concept where the building gains from the improvement of communication and automation technologies, creating an environment with more efficiently use the available resources. For commercial structures such as factories or shopping centers, the transition to smart buildings is essential for growth. This will help the organizations to save a large amount of money because of better efficiency as well as improved overall building operation. The IoT has created an entry to assist in the management of such buildings. Sensible Buildings and sensible cities region unit ceaselessly remodeling activities meted out by folks on each day. Smart cities will soon emerge with services such as temperature management, water management, disaster management, machine failure management, lighting facilities which in turn is connected to the internet/cloud facilities. In today's comparison, some cities have started enforcing this kind of smart management approach by conjuncting everything about the community to the internet. Along with energy conservation, smart buildings aids to save money. Here are some of the largest IoT smart building modules likely to be introduced in this paper. 1.Predictive maintenance 2.Disaster Management 3.Temperature adjusting wrt Environment 4.Smart Water Management (Plumbing). Index Terms— Smart City, Internet of Things, Arduino UNO, Smart Building, Cloud Computing, Cox Model, Dobrovolsky, EPANET, Hysteresis, PID. 1. INTRODUCTION ADVANCES in mobile computing and the growth in Internet applications will ground to the development of internet services for future generations, that is ubiquitous and pervasive. With considerable progress in pervasive computing fields, networking technologies, and the boost in applications related to the Internet and their services have led to the development of the Internet & its services for future generations. Internet in the coming generations, like IoT, will connect not only computers devices but also interconnect cities,homes, gas, buildings, electrical grids and water networks making them smart and accessible. This IoT services will be an excellent development for smart Building revolutionizing the way it works, maintain the living standards, education development like smart - classes, and better ways to secure and protect data. We can provide efficient services in ways where the Cyber-physical systems are used in environments i.e integrated part of the IoT system. Such systems read sensor data from the physical environment, processes the information, and sends the appropriate instructions to a wide range of actuators or effectors to change the physical environment. According to the given definition, a Smart Building can be seen as a diverse interconnection of Cyber-physical systems. Automation of buildings and adaptive control functionality are considered as the future of upcoming buildings that must be allocated in Smart Cities. Smart Buildings(also called SB) links automation, information technology, security, industrial controllers and communications to achieve a feasible level of comfort and energy consumption. Presence of different range of users and varying environmental factors, the computational power needed to operate an SB is equivalent to the power that is consumed in large data centers. In order to avoid the construction of data or operation centers, different entities in the Smart Buildings can be used. Cloud Computing (also called Internet Computing) is a set of resources and services available to use through the internet. The goal of Cloud Computing is the sharing of operating systems, applications, storage, data, and processing capacity among different users. PLX-DAQ is a Parallax microcontroller data acquisition add-on tool for Microsoft Excel. Any of our microcontrollers connected to any sensor and the serial port of a PC can now send data directly into Excel. PLX-DAQ has the following features: Plot or graph data as it arrives in real-time using Microsoft Excel. The framework evaluated using the Arduino integrated development environment as a local controller for all the managed/monitored elements and Local Cloud Services to provide the whole system with computational power.