Smart Home Automation System – Circuit Diagram. The circuit of the smart home automation system is shown in Fig. 2. It is built around ESP8266 (MOD1), a four-channel relay module (MOD2), and a few ...

Step 3: Block Diagram Block Diagram. In the above block diagram, the flow of this project is shown. The relays are connected to the home’s electrical appliances or devices. A mobile application will ...