Circuit Diagram of the ESP32 Smart Irrigation System. Circuit diagram for this IoT Smart Irrigation System is given below. Connect the soil moisture sensor to D35 pin of ESP32, water level sensor to ...

Smart Switch for Agriculture Irrigation – Circuit and Working The circuit diagram of the smart switch for agricultural irrigation is shown in Fig. 2. As shown, the switch is constructed around a ...

Circuit Diagram. Circuit diagram for this IoT Smart Irrigation System is given below: Programming ESP8266 NodeMCU for Automatic Irrigation System. For programming the ESP8266 NodeMCU module, only the ...