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The title itself indicates that the system checks the moisture content in the soil based on which a pumping motor automatically pumps the water into the field. Here, we are using a soil moisture sensor. By using this sensor, we can find whether the soil is wet or dry. If it is dry, then the pumping motor will pump the water. In this system, the main controlling device is a microcontroller. Here, the soil sensor gives the status of the soil to the microcontroller, based on that the microcontroller displays the status of the soil on the LCD, and switches on or off the pumping motor through a relay.                                        

The pumping motor pumps the water into the field by using a drip water system until the field is wet, which is continuously monitored by the microcontroller. In irrigation process, the most critical parameter of monitoring is soil, so we have to monitor the soil condition, whether the soil is dry or wet. If it is dry, then by using the pumping motor, water has to be pumped automatically. The main aim of our system presented here is to monitor the moisture content in the soil in a cultivating field. Based on the soil moisture, pumping motor will be automatically switched on or off through the relay. This saves water as well as the plants can get optimum level of water. This will increase the productivity of the crop.                                      

In this proposed system, we use an 8051 series microcontroller which has been programmed to obtain the input signal of variable moisture condition of the soil through the sensing arrangement. This is achieved by using an op-amp as comparator which acts as interface between the sensing arrangement and the microcontroller.

The concept in the impending project can be heightened by integrating it with GPS/GSM technology, such that whenever the water pump switches on/off, an SMS is delivered to the concerned person regarding the status of the pump, enabling the user also to control the pump
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Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
Hardware Requirements
  • 8051 series Microcontroller
  • Op amp
  • LCD
  • Relay
  • Water Pump
  • Voltage Regulator
  • Diodes
  • Capacitors
  • Resistors
  • LED
  • Crystal
  • Transistor
Software Requirements
  • Keil compiler
  • Languages: Embedded C or Assembly
Q & A
Q:  Which kind of moisture sensor is using in this project?
A:  The objective behind the project is to understand the technology behind it so it is truly not a commercial product. Therefore we provide neither moisture sensor nor the sprinkler. Two rods inserted on to the soil is used as wet soil sensor while a pump provided forms the water delivery.
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Q:  What is automatic irrigation system?
A:  Automatic irrigation system automatically switches the pump on/off by sensing the soil moisture condition
Q:  How is the soil moisture sensing taken place?
A:  By using two copper wires(that can be connected to 2 nails) provided with the kit, soil moisture sensing takes place.
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