![]() We will show you a demo of this project as a simulation. In the real experiment, we can alter the address of the LCD by changing the configurations of A0, A1 and A2 pins of the PCF8574 module. Note - Change the Address of the LCD Screen while you run the code in Proteus, change it to 0x20 instead of 0x27 or anyone else. We have added comments in the code for better understanding so it can be understood easily. You need to install these third-party Arduino Libraries, in order to interface sensors: Pin Connections of Smart Irrigation System These are the pin connections of all components. We will use male to male, male to female and female to female jumper wires. ![]() Since we are making a prototype of this project, we will make connections on the breadboard and avoid soldering the components. You can use a Battery, Adapter or any DC source of 5-8v(recommendable). Since we are designing a prototype of this project, we will use jumper wires instead of soldering.
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