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MINI PROJECT: PROGRAMMABLE MOTOR CONTROL WITH LCD DISPLAY & LED INDICATOR BY USING PIC18F4550

NAME: PREMIKA ASOKAN MATRIX NO: 08DJK19F1033 CLASS: DJK4B LECTURER NAME: TS IR DR AHMAD AZLAN AB AZIZ

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PROBLEM STATEMENT/ PURPOSE OF THE PROJECT

In today world of technology, everything from small device like mobile (cell phone) to automobile is digitalize to solve problem thus make the work easier for human. All of the digitalize device or equipment involved with microcontroller and microprocessor. In this embedded project, our main purpose is to apply the gained knowledge in Embedded subject to build or create something real or something exist in real word. From here, we can observe how make use of gained knowledge to apply on real object instead of the virtual programming we learned . In this project, microcontroller PIC18F4550 will be used as the microcontroller to control motor, LCD display and LED indicator. Beside that, this project also intended to test our soft skill such as problem solving, effective communication, creativity and project management. From the designing the interfacing circuit and building C language programming based on PI18 microcontroller until test and  analyze  the operation of the system using Proteus ISIS software.

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When power supply was applied on hardware onto the pin 1 of PIC18f4550 we can to press the switch 1 or switch 2.When switch 1 was pressed, the motor move forward and LED (green) turn on. Automatically the LCD was displayed “FORWARD” to us. But when switch 2 was pressed, the motor was moving reversed and LED (YELLOW) turn on follow by the LCD displayed “REVERSED”.

RAO,'ANO
RAI,'ANI
RA2AN2'VREF-/CVREF
RCO/TIOSOITICKI
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RB2
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RA4,'TOCKWCIOUT/RCV
RA5,'ANvSS/LVDlWC20UT
RA6'0SC2'CLKO
OSCI/CLKI
RBIANIO,'INTI/SCK'SCL
RB2/AN8/lNT2/VMO
RB3,'AN9/CCP2NPO
RB4,'AN11/KBlO/CSSPP
RB6,'KB12/PGC
RB7/KB13'PGD
WSB
PIC18F4550
RC2/CCP1/PIA
RC4/D-/VM
RCS/D*/VP
RC6fTX'CK
RC7'RX,0T/SDO
RDO/SPPO
RD2/SPP2
RD3/SPP3
RD4/SPP4
RD6/SPP6/PIC
RD7/SPP7/PID
REO/AWCKISPP
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INPUT LCD REGISTER SELECT (RS) AT PORT B2 & ENABLE (E) AT PORT B3

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Port RB0 and Port RB1 as the input SW1 and SW2.  Port RB2 and Port RB3 as the input RS and E for LCD.  Port RA0 and Port RA1 as the output for motor.  Port RC0 and Port RC1 as the output for LED (GREEN) and LED (YELLOW).

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PIC18F4550  16 x 2 LCD Display  2 DC Motor  2 Switch Button  Green LED  Yellow LED  Reset switch  2 Power  4 DC Generator  3 Resistor  Port 10K

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Mini project E SA_pdspO
Mini project
20/5/2021

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PORT A0 & PORT A1 AS THE OUTPUT MOTOR PORT C0 & PORT C1 AS THE OUTPUT LED PORT B0 AS THE INPUT SW1 PORT B1 AS THE INPUT SW2

LED YELLOW TURN ON MOTOR MOVE REVERSED LCD “REVERSED”

LED GREEN TURN ON MOTOR MOVE FORWARD LCD “FORWARD”

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MPLAB IDE v8.43 - project esa.c]
File Edit View Project Debugger Programmer Tools Configure
Window Help
Checksum:
oxl
g Include =pIEf4SSO . h
/ / *pragma config OSC
*pragma
= KS // 4YNz Crystal , (HS oscillator)
OFE // pins configured as digital 1/0 Reset)
*define data _p.zt // as output LCD
*define zs_pin _ // as the 2S pin at LCD
*define e_pin // as the pin at LCD
void delay_ms (unsigned // Delay
igned
char ; // Switch
igned
char s sed ( void
void
setup (void
) ; // LCD
void unsigned char value
) ; // LCD
void ( unsigned char value
igned
igned
igned
char "
char "
char i ;
void main 'void)
// Line has
// Line 2 has
_ T21SC0=
T21SAi O ;
// Set O as output,
// Set O as output,
// Set O as output,
// Set O as output. ,
/ / SWI pin as input
/ / SW2 pin as input
// is key pzessed
is connected pin
is connected pin
is connected pin
is connected pin
// yes
; / 'Display
/ 'set
I ed_daza )

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MPLAB IDE v8.43 - project esa.cl
File Edit View Project Debugger Programmer Tools Configure Window Help
else
PORTCbits _ aco=o ;
P02TAbits _ UO=O ;
/ / turn off LED
/ / both motor stop
if (is sw2_pzessed
I) "I) // is key 2 pressed
// yes
// turn or LZD2
P02TAbits _ A1—I ; // both motor reversed
I cd setup
line I
led cmd ; // set DDÄ_ÄY Address
for i
I zd setup
// Display line 2
led cmd (ONCO) ; // set DDÄ_AY Address
for i
led data (Line: til);
DelayiKTCYx ;
else
PORTCbits _ ; // turn off LED2
PORTAbics _ RAI
; / both motor stop
led cmd 'OXON); // Delete line 2
while I ) ;
void led setup ( void'
; // configure PORTD as output
T21SBbits _ TRISB2=O; // configure PORTB3 as RS pin
T21SBbics _ TRISBS-
—O; // PORTBS as output E pin
ADCONObits //AZC OFF
ADCONi=ObOOOOIIOI; //ANO and ANI are configured as AZ:C pins
; / "prepare to enable idle low

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MPLAB IDE v8.43 - project esa.c]
File Edit View Project Debugger Programmer Tools Configure Window
else
/ / turn Off LED
/ /b.ch stop
if (is // is key 2 pressed
( // yes
// ON
. // bath zevezsed
led setup D; // Delete line 1
led cmd(OxOA); //set Address
for
// Display 2
setup
led cmd C OxCO); //sec DD2.A2{ Address
for
lcd_data ;
= O // turn
P02TAbits .
—O; //both moto: stop
led cmd (OxOA);
// Delete line 2
while ;
void led setup (void)
; // as output
Hell
TRISEbits .
TAISEbits . TAISB3=0 ;
ADCONObits _ ADON= O ;
; / /pzepaze
// configure 202123 as output—:• 2S pin
//ADC OFF
//ANO and
to enable
as output Z pin
AN I as ADC pins
idle

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MPLAB IDE v8.43 - project esa.cl
File Edit View Project Debugger Programmer Tools Configure
led cmd 03x3ä); // Function set: LCD 2 lines, Sx7 dot
C SO); //De1ay 10ms
led (OXOC); // display on, OFF
led cmd (Oxal); //clear I'd
led cmd (OxO€); // shift cursor right
void led Cungigned char value )
; / / cormand mcde
// enable in active state
Delay1KTCYx //delay lms
—O; enable
C 2S); //deiay Sms for execution time
void Icd_daVa unsigned char )
da t value ;
//DISPIAY DATA
; / mode
// enable state
CS); //delay milliseconds
// strobe enable pin
e_pxn
//delay S milliseconds
Window Help
Checksum:
// this is delay rcutine
// Input: Seconds
// Output; none
void delay_ms c unsigned // delay milliseconds
unsigned int i;
for duration ! •O; duration — )

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- project esa.c]
MPLAB IDE v8.43
File Edit View
project Debugger Programmer Tools Configure Window Help
/ / this is cheek keyl pzessings_
/ / input : none
/ "output: O is pzessed_ is pzessed_
unsigned char C )
_ // is SWI pressed 2
delay_ms 10); // Vait I Oms for debounce.
if // is still has pzessed status aEtez 10mS delay?
( // yes, Ve have key press
return ;
return O; // if key is not pressed. return O
/ / this routine is to check key: pressings -
// input: none
/ /output: O if svitch is not pressed- i if svitch is pressed.
unsigned char void )
if // is SW2 pressed?
( // yes
delay_ms 110),• // wait 10 •mS for debounce.
_ 221=0) // is S7i has pressed status after 10mS delay?
// yes, have key press
return I ;
return O; // key is pzessed,
Checks

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mini project esa - MPLAB IDE v843 - (Output)
File Edit View Project Debugger Programmer Tools
Debuq
find
Configure Window Help
Oxd048
Debug build of project project eserncp• started.
Language tool versions: mpasmwin_exe vS 54. mplinkexe VS.OJ mccl 8 exe v3.47. mplib exe V5_OO
Preprocessor symbol • _OEEIJG' is defined.
sun May 23 2021
Clean: Deleting intermediary and output tiles.
Clean: Deleted file project esao"
Clean: Deleted file project esacof"
Clean; Deleted file project esahex
Clean: Deleted file •CWsers\prem project esa_mcs"
Clean Done.
Executlng: •Ciprogram files 8_exe -pel 8F4550 "rn.ni proJeCt esa.c•
MPLÅB C18 3 .47 (feature limited)
Copyright 2000—2011 Micrcchip Technology Inc
This version of MPLÅB CIB does not support the extended mode
and not perform all optimizations. To purchase a full
copy of MPLAB C18. please contact your distributor or
visit buy . microchip. con.
mini project esa.o" -D
_DEBUG -Ou- -Ot- -Ob- -O -Or- -Od- -Opa-
MPLA8_8UlLO-l Iz
x
MPLA8 0
Executing: •CAPrograrn Files IPl 8F4650 /VC.\Progrem Files 47\lib" •mini project esao" /u_CRUNTlME /u_DEBUG Iz
MPLINk S no. LINKER
Device I
Copyright (c) 1998—2013 hicrcchip Technology Inc
Errors
MP2HEX S. 00. COFF to HEX File Converter
Copyright (c) 1998—2013
Errors
Loaded project esacof.
Debug build of projed project eserncp• succeeded
Language tool versions: mpasmwin_exe vS 54, mplinkexe vE.00. mccl 8 exe v3.47. mplib exe v5_00
Preprocessor symbol • _OE8LlG' is defined.
Sun May 23 23'8•48 2021
BUILD SUCCEEDED

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From the program we did. We realize that LCD,LED, Push Button Switch and motor able to combine using the PIC18F4550 controller . The input for this project embedded is the Switch 1 and Switch 2 at  thr  Ports B0 and B1. Meanwhile the output is on the LED1, LED2, LCD and motor. Where the Led output at the ports B0 and B1. Motor output at the ports A0 and A1. For the LCD Register Select (RS) and Enable (E) are set at Port B2 and B3. Ports D from D0 until D7 are set as output to connect LCD .

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When SW1 is pressed, the Green LED will turn on while the both Motor will move forward and at the same time, LCD will display the word “FORWARD” at the 1st row of LCD display as shown in the diagram below..

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When SW2 is pressed, both motor will reverse while the Green LED will goes off and the Yellow LED will light up. At the same time, the LCD will display the word “REVERSE” at the 2nd row of LCD display as shown in the diagram below.

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For the conclusion, we had learned the creativity way to design the interfacing circuit based on PIC18 microcontroller. The components LED, LCD, Push Button and motor was successfully connected to microcontroller PIC18F4550. Beside that, we also successfully build program to control the motor forward and reverse by using MPLAB software. The program was write to control LED, LCD and Motor simultaneously. When each button switch is triggered, the motor will either move forward and reverse and at the same time LCD and LED will display it output according to the created program. Other than that, we learned to cooperate with each other through discussion to solve the problem when this project is in progress in order to make this project successfully. Finally, we feel so happy and gratefully that we can make use of gained knowledge to apply in the real environment successfully through our patient, creativity, tolerant and cooperation. Through these movement, we learned a lot of things out of syllabus