The WhatsApp Based Cost-Effective Automation at Homes through Internet of Things

This paper highlights the necessity for using lowcost methods in automating household appliances. Internet of Things (IoT) is the well-known technology for connecting devices over internet. Implementing entire house in automation through proprietary hardware is not acceptable. Owing to this problem, open hardware is the boon for full automation at low cost. NodeMCU boards work effectively with the things that are connected online. From user end, an application has to be interfaced with things that are connected through IoT. Hence Whatsapp, is used at user end which is a well-known application to every mobile user in today's era that can monitor and command the things through sensors and internet connectivity. In this work using Whatsapp, some of the home appliances are successfully connected and tested in the Whatsapp-IoT mode which will pave the way to implement the same for entire house in future.