AGRI SOIL TESTER USING ARDUINO MICROCONTROLLER

B.TECH FINAL PROJECT PRESENTATION-2015
SUDAMA MAHARANA (201114695) & AKHILESH CHOUDHURY (201110365)
NATIONALINSTITUTEOFSCIENCE&TECHNOLOGY
“Agri -Soil Tester ”
Project ID- 5220
Presented By
Sudama Maharana Roll no- 201114695
Akhilesh Choudhury Roll no- 201110365
Under Guidance of
Bhawani Shankar Pattanaik

KEY POINTS
 Introduction
 Objective
 Hardware Requirements
 Different Sensors
 Microcontroller
 Hardware Setup & Sub circuits
 Step- by- Step output on LCD
 Advantages and Disadvantages
 Future planning
 Conclusion

INTRODUCTION
AGRICULTURE SOIL TESTER:
 Agriculture soil tester is a low cost hand held.
 The device aim at reading parameters such as Moisture, pH, Electrical
conductivity, temperature.
 It will help farmer to test their soil and plan for appropriate crop,
fertilizers.

OBJECTIVE
Agriculture soil tester Measures:-
 pH
 Soil Moisture
 Electrical Conductivity (EC)
 Temperature

HARDWARE REQUIREMENTS
Here we are using different components.
Such as:-
 pH sensor
 EC Sensor
 Moisture Sensor
 Temperature Sensor
 Microcontroller
 LCD Screen
 Dual Power supply

DIFFERENT SENSOR
1. pH Sensor 2. EC Sensor
3. Moisture Sensor 4. Temperature Sensor

MICROCONTROLLER
Arduino MC
 Arduino is a single-board MC.
 The hardware consists of an open-source
hardware board.
 A USB interface with 6 analog input pins
and 14 digital outputs.

LCD
( Fig- 20 * 4 LCD )
 Here we are using a 20 * 4 LCD.
 It has 4 rows and 20 columns.
 LCD functions in Arduino :-
 lcd.clear( );
 lcd.print( );
 lcd.setcursor( x , y )
Column Row

HARDWARE SETUP

Step- By- Step Outputs on LCD

Sub-circuits
( Fig- a ) ( Fig- b )
( Fig- d )( Fig- c )

AGRI SOIL TESTER
Sudama Maharana -- # 201114695
Akhilesh Choudhury -- # 201110365
FIG - 1 :- Main Circuit
Project day 2015
A
R
D
U
I
N
O
PH circuit
EC circuit
TEMP circuit
MOIST circuit
5V
3.3V
GND
FIG - 2 :- SUB Circuit FIG - 3 :- Sensors

ADVANTAGES & DISADVATAGES
• We cant Know about the chemical properties like nitrogen,
phosphors etc of soil.
 Advantages of soil testers are :-
 Disadvantages of soil testers are :-
• Monitors pH, moisture ,EC and Temperature.
•Able to Know where to Plant a crops.

FUTURE PLANNING
 We have the Ph interfacing circuit. So, we can easily interfacing
the pH sensor with Arduino microcontroller.
 As Arduino microcontroller has 6 analog input ports, so we can
interface 3 more sensors.
 We can interface GLCD screen to show a huge amount of data.
 We can store the Data in Data Base.
Our future planning are,

CONCLUSION
 We have analyzed the how Arduino microcontroller sense the different
physcial parameters and give different outputs.
 How crucial the parameters such as pH, Soil Moisture Electrical
Conductivity (EC),Temperature Etc. while planting the crop.

THANK
YOU

AGRI SOIL TESTER USING ARDUINO MICROCONTROLLER

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