The Arduino Development Platform, at the beginning in 2005, was conceived to be a simple programmable device to be used specifically for art design work. The goal was to create an interface to support ...

As we have learnt in previous tutorials that the XBee module can act as a Coordinator, Router or an End device but it need to be configured to work in desired mode. So before using the XBee modules ...

So if you follow all the steps, you can easily make this IoT project just by using Arduino UNO, NodeMCU, and relay module. Although the PCB is not mandatory, I have used PCB to make the circuit ...