introduction - george mason universityjkaps/courses/ece511-f11/project/...introduction •...
TRANSCRIPT
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Introduction
• Agriculture plays an important role in shaping the economy of a countrya country
• Farmers are heavily dependent on rain and bore wells for irrigation of the fields
• In some countries even now manual intervention is required in irrigating the fields
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Introduction
• There is need for an irrigation system to irrigation system to provide water to the farms with out manual intervention
• Microcontroller based automatic irrigation system will address this problem
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Motivation
• Aim of the project is to minimize the manual intervention in irrigating intervention in irrigating the fields
• To fields where there is power scarcity
• Saves time and gives much needed rest to farmers
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Block Diagram
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Interface Diagram
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Project Scope
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Component List
Name Part Number Hardware
Interface
Software
Interface
Soil Moisture VG – 400 ADC Port A1 ADC Soil Moisture
Sensor
VG – 400 ADC Port A1
Pin 1.1
ADC
Seven Segment
Display
MAN-72 Pin 1.4 – 1.7
Through BCD-
Seven Segment
Decoder
Timer
CD-Seven
Segment Decoder
CD4511 Pin 1.4 – 1.7 Timer
Key Pad Switches Mini Switches Pin 1.2 – 1.3 Timer
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Hardware Components
Soil Moisture Sensor
• VG 400 Soil moisture
sensor probe from sensor probe from
Vegatronix
• ADC10 channel A1 is
interfaced through port1.1
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ADC Software Interface
Algorithm
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MAN 72 7-Segment Display
•It will receive its output from the decoder.•The hardware interface of the component used.•Interfacing of the component with software.•Interfacing of the component with software.
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CD4511 Decoder
• CD4511 BCD – Seven Segment Decoder is used to
mitigate the limited port problem.
• It will be connected to the MSP in order to give the
input to the seven segment display (MAN 72).
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Schematic diagram of
MAN 72 – CD4511
Interfacing
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Key Pad
Key Pad (3 Switches)
Switch A is to increase the • Switch A is to increase the time(up)
• Switch B is to decrease the time(down)
• Switch C is to confirm selection
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Applications
• Saves Time
System will System will remember the time to water
• Saves Water
• Much needed rest to the farmers
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Conclusion
• This project demonstrates the application of microcontroller in agriculture microcontroller in agriculture
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References
• Web
• http://en.wikipedia.org/wiki/TI_MSP430• http://en.wikipedia.org/wiki/TI_MSP430
• http://www.ti.com/product/msp430g2231
• MSP430 Microcontroller Basics by John Davies
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