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Abstract: In general, home automation means controlling the utilities and features of the household appliances. To achieve this most automation systems use Wi-Fi as a communication technology. But when it comes to Wi-Fi the overall setup cost will be higher and it also not possible to connect all the household appliances to the network. For that we had proposed a system called smart home automation system based on Li-Fi technology. Since its Li-Fi, a VLC, we can use our domestic household LED lights as a transmitting source. This system will control the power up function of the appliances. And the overall setup of this system is very simple on both the hardware and software sides. The specific light encoded data will be transmitted by the LEDs and decoded by photodiode at the receiver section. By implementing this Li-Fi technology in home automation will bring the new era of automation with simple, speed, cost-effective and secure features. And this will be the dual benefits of both luminance and automation in a single implementation setup. And on the security side also it will provide secure communication with the ability to be impenetrable through physical objects because of the nature of light. Not only smart devices, every electrical device can be operated with this technology implementation.