How to use?

Create the circuit for the client node using the instructions given in Hardware Design.

1. Client Program

Connect the Client ESP8266 to the computer and load the client program available at the following link using VSCode and the platformIO extention : Client. You can edit the BOARD_ID for each client module so that different modules can be identified separately. The client program in VSCode is indicated in the following image.

Create the Node-Red flow as discussed in Software Design, and load the dashboard using the code available in the following link: Node-Red. The explanation regarding Node-Red and its usage in MQTT-based IoT systems can be checked in this link: IoT Workshop.

A sample of NodeRed flow for this project is indicated below.

After completing the Hardware, Software, and Cloud Integration, the Sit-oT implementation is completed. Now in the Node-Red dashboard, you will be able to see the data received through the MQTT client in the Node-Red platform. You can configure the change rate according to the demand of your application. By varying the change rate, you can control the delay between the data collection in the cloud system this will give robust control over the network. A sample of the NodeRed dashboard is shown below.