This paper managed the way of communication through latest technology named Internet of Thing (IoT). End – device and end – user can be communicated through designed IoT Protocol. Here, end – devices like ESP8266, Arduino ATmega328 controller, MPR121 touch used for communication with end – user like smartphones. There are different IoT protocols used in IoT application but here we used MQTT protocol because it has lightweight, low bandwidth, open and easiest to implement at the client side. ESP8266 is itself a controller and has Wi-Fi connectivity with low cost. A controller named ATmega328 has been added for controlling a large number of Home Appliances because it has a number of GPIOs compare to ESP8266. MPR121 Touch sensor is used for smartness of system. Including all these devices the Smart Switch Board is made and it is applicable to both inside and outside of the home for controlling and monitoring Home Appliances.
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