automatic plant irrigation (2).pptx

7/26/2019 AUTOMATIC PLANT IRRIGATION (2).pptx

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AUTOMATIC PLANT

IRRIGATION


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BLOCK DIAGRAM

Power Supply ForAll

ComparatorLM324 Microcontroller

WaterPump 16*2LED

DrynessSensorUsing

copper plate


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MAJOR COMPONENTS DETAILSTe ma!or components use" in tis pro!ect

are

Microcontroller

LM324

Water Motor

#elay an" relay "ri$er16x2 LCD


4/22

MICROCONTROLLERMini computer wit necessary support cips on%

&oar"'

Designe" to per(orm applications were te

relationsip o( input an" output is "e)ne"Wit a"$ancement $arious (eatures a$e &een

inclu"e" in te micro%controllers

Tree main &uil"ing &loc*s + system soul" a$e to

per(orm any tas*' A processing unit ,CPU-

./0 P0#TS (or interaction wit user or pysical en$ironment

Memory elements ,#AM/#0M/Flas/11P#0M-


5/22

TYPES OF Microcontroller8051 Family: Digital Microcontrollers

!" Family: Digital an# in$%ilt analog c&annels'

()C Microcontroller

"M #+ance "),C MC-).E/

&y 8051 an# !" are %se# most or small roects'

Easy to %n#erstan#

(rogramming is con+enient an# relate# to classroom t&eory

Easily a+aila$le in t&e marets

C&eaer )C an# (rogrammer are relati+ely c&eaer


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AT89S8253 8051 Microcontroller

&is microcontroller is a #igital microcontroller t&at can

tae #igital in%t an# generate #igital o%t%t'

2'7! to 5'5! erating "ange

F%lly ,tatic eration: 0 -9 to 24 M-9 in x1 an# x2Mo#es/

&reele+el (rogram Memory Loc

256 x 8$it )nternal "M2; EE("M

32 (rogramma$le $i#irectional )


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PIN DIAGRAM&e 8051 amily mem$ers all &a+e40 ins'

!cc >.D ?L1 ?L2'''

)


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LM358Tese "e$ices consist o( two in"epen"ent

ig%gain (reuency%compensate"operational ampli)ers "esigne" to operate(rom a single supply o$er a wi"e range o($oltages

Tis can &e use" (or "ierent op%ampcon)gurations5


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RELAY#elay energi6e" ,07-5 Current 8owing

troug te control circuit coil ,pins9 : 3-creates a small magnetic )el" wic

causes te switc to close pins 2 : 4'Te switc wic is a part o( te loa"circuit is use" to control an electricalcircuit tat may connect to it' Currentnow 8ows troug pins 2 : 4 sown in#e" wen te relay in energi6e"'


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#elays are electromecanical switces'

#elays a$e two circuits5 A control circuit,sown in ;#117- an" a loa" circuit ,sownin #1D-'

Te control circuit as small control coilwile te loa" circuit as a switc' Te coilcontrols te operation o( te switc'


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#elay De%energi6e" ,0FF)

Wen currentstops 8owing troug te control circuitpins 9 : 3 te relay &ecomes "e%energi6e"' Witout te magnetic )el" teswitc opens an" current is pre$ente"(rom 8owing troug pins 2 : 4' Te relayis now o'


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LCD Li!"i# Cr$%t&l Di%'l&$(

.s an electronic "isplay mo"ule'

9


13/22

LCD Inter)&ce Di&*r&+:


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PCB DESIGNINGSteps o( PC@ "esigningP#0C1SS.7;

CL1A7S.7;

P#.7T.7;1TC?.7;

D#.LL.7;

C0MP0717T M0U7T.7;

S0LD1#.7;MAS.7;


15/22

A printe" circuit &oar" or PC@ is use" to

mecanically support an" electricallyconnect electroniccomponents using con"ucti$e patways trac*s orsignal traces etce" (rom copper

seets laminate" onto a non%con"ucti$e su&strate'PC@ &oar" "esign "e)nes te electrical patways

&etween components'

.t is "eri$e" (rom a scematic representation o(

te circuit' Wen it is "eri$e" or importe" (rom ascematic "esign it translates te scematicsym&ols an" li&raries into pysical componentsan" connection


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E,PRESS PCB

A PC@ layout is reuire" to place components on te PC@so tat te component area can &e minimi6e" an" tecomponents can &e place" in an eBcient manner'

Tere are $arious so(twares a$aila&le (or tis purpose

li*e%1=press PC@Pa"2pa"Protel PC@

PC@ "esign etc'

1=press PC@ is a $ery easy to use Win"ows application(or laying out printe" circuit &oar"s

Tere are lots o( (unctions a$aila&le in te so(tware' Tisso(tware is (ree o( cost an" also it is $ery easy to use


17/22


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T!STING O" #ASIC CIRCUITS

Connect t&e $lac terminal o t&e Digital M%ltimeter to t&e

gro%n# o t&e s%ly so%rce an# t%rn t&e no$ to 20! DC

+oltage'

2' Mae s%re t&e noc& o all t&e )CBs incl%#ing

microcontroller are same as gi+en a$o+e'


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3' C&ec t&e contin%ity an# s&ort circ%it o t&e (Cs'

4' C&ec t&e +oltages at in o o%t%t/ o all t&e t&ree 7805 an#

it s&o%l# $e 5 +olts'

5' C&ec t&e +oltage at in 40 an# 31 o t&e microcontroller it

s&o%l# $e 5 +olts'6' C&ec t&e +oltage at in 10 o =L.2803 )C it s&o%l# $e 12

+olts'

7' C&ec t&e +oltage at in o =L.2803 )C it s&o%l# $e 0

+olts'

8' C&ec t&e +oltage at in 4 o LM324 )C it s&o%l# $e

5+olts'


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' C&ec t&e +oltage at secon# last in orm t&e $ot& si#e o

t&e LCD' )t s&o%l# $e 5!'

10' C&ec t&e orientation o all )Cs'


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$OR%ING


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T-ANKYO.

automatic plant irrigation (2).pptx

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