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Automatic Plant Irrigation System

Abstract

This project is developed for the users to control the amount of water to a plant. The device will automatically switch off the water pump when the water is enough and switches on the motor when the lowest level is reached.

The heart of the circuit is IC ULN2003 and Microcontroller PIC16F73. There are two sensors connected inside the plant. Two sensors connected in the plant.

The LCD display indicates percentage of water in the plant.

Water is filled in the tank, the plant sensor sends signal to the driver section and it sends signal to the microcontroller. The microcontroller controls the driver unit and corresponding relay to switch off the motor.

Also when the water level reaches the lowest level, the sensor sends signal to the driver IC and it sends signal to the microcontroller. The microcontroller controls the driver unit and corresponding relay to switch on the motor.

Since it uses microcontroller for controlling operation, the operations will be very sensitive.

The microcontroller program is written in assembly language

 

 

 

 

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