Automatic Irrigation System Using Soil Moisture Sensor Block Diagram

On receiving the signal the microcontroller produces an output that drives a relay and operates the water pump.

Automatic irrigation system using soil moisture sensor block diagram.

According to this system there are two functional components in this project i e. The working of automatic irrigation system is very simple and easy to understand. The block diagram of this automatic plant irrigation system comprises three main components namely a microcontroller a motor driver circuit and a sensor circuit. When the sensor circuit senses the condition of soil it compares it with the reference voltage 5v.

Block diagram of sensor based automatic drip irrigation system 1 temperature sensor. The author s prototype is shown in fig. The output of temperature sensor is given to microcontroller. Automatic plant watering system circuit and working.

In here the power source provided by the solar panel is being stored in a 12 v battery and then it is converted to dc to ac by the inverter. The working of the circuit is as follows. Working of automatic irrigation system. In its most basic form moisture sensor senses level of the soil moisture.

The idea of the project is to implement an automatic irrigation system by sensing the moisture of the soil. Also lcd is used which is interfaced with microcontroller for displaying the moisture content of soil and water pump status. In this circuit we have used an npn transistor to detect soil moisture. Then motor water pump supplies water to plants.

The change in moisture is. Temperature sensor has been used for sensing the temperature. Figure 2 1 block diagram of automatic irrigation system figure 2 1 is the block diagram of the automatic irrigation system. Moisture sensor and motor water pump.

Schematic circuit diagram of automatic plant watering irrigation system. The soil moisture sensor measures the conductivity of the. This soil moisture sensor circuit can be used in many applications like automatic plant irrigation system greenhouse projects etc. 2 soil moisture sensor.

The soil moisture sensor is inserted in the soil. In this project we are going to build a transistor based simple soil moisture detector circuit. Depending on the quality of the sensor it must be inserted near the roots of the plant. First of all when there is no moisture present in the soil there will be conduction between two probes of the soil sensor.

This process is done by a 555 timer. In this project arduino is used for controlling the whole working of the circuit. Hence the system reduces human intervention and provides required irrigation to field. The circuit diagram of the automatic plant watering system is shown in fig.