Week 1
I started planning and study all
about my project title. See my
supervisor for the advice and plan. Discuss with him what should I do for the
starting. He asked me to research back the proposal that i had do for the past
semester. I research back about my project title. I research back about the DTMF. The DTMF
cannot call in, it just can call out. Furthermore, DTMF not stable at all
because it used tone frequency control. So that, I planing to used GSM model
for my project.
Week 2
so, I start research back about
GSM model. It can receive and transmit data. Before that, I had research about
GSM but not deeply because I dont interested about it, so then I just reseach
about DTMF. When, I want start research about the DTMF, I saw it was so
difficult to used. Futhermore, DTMF rarely used in our technology.
The GSM modem can be used as:
- Reading, writing, and deleting SMS messages.
- Sending SMS messages.
- Monitoring the signal strength.
- Monitoring the charging status and charge level of the battery.
- Reading, writing and searching phone book entries.
Week
3 - week 5
Three week I take time for learn about
the software and hardware. I study about programming knowledge first. I learn
about PCWH C-Compiler that used for my
programming. Actually, this software was easy to coding compared to what I have
learn in Keil compiler. I had start study with simple coding first like to turn
on LED. Then, I slower learn about LCD, relay,switch and so on. In this
program, I used PIC16f877aand rs232 as the GSM modem. I take many time to
unserstand about the programming because this programming different from what I
study in my subject. I used this software because I realise that this
programming more easy to understand in short time. I also learn how to draw a
PCB design. Before that, I had to draw simple circuit on the proteus and then
transfer the circuit to the PCB design layout. First, I tried with simple
circuit first before to my project circuit. That why, I take for three week to
study this skills.
Week
6
For the first step in my project, I draw the
schematics on the proteus. I had many problem to draw this schematic. This is
because I had to find what components that suitable with my GSM modem because
in the proteus does not have a GSM modem. So I replace the modem with the
others components. So then, the GSM modem it does not working on the proteus in others mean in the
software. For sensors, I used a pushbutton to replace its functional. Then, key
switch I replace with switch. So then, for others functinality we can know its
function when the LED was on.
Then,
I write a coding for programming step. More time was take to write this
programming. The, I test my programming with link t the proteus that I draw. It
take for two week and more to this circuit working. It has many errors at
first. I tried edited many time for my coding to working.
Week
7 – week 8
After my project in software was
working. I had went to Jalan Pasar find a components that I want to used. More difficult
to find is GSM modem because its too expensive. I have to survey GSM modem for
3 week. For two times I went to Jalan Pasar to find the components. And lastly,
I got for RM400 for one set GSM modem at Bizchip in Serdang, Selangor. I do the
prototype board. This is because I want do a testing. I went to burn my
Integrated Circuit (IC) at MPLAB in UniKL BMI. Then, I going back and testing
my circuit until it success. Its take time also too success, many problem that
I have to face. Sometime, LED turn on sometime not, same things others
components like pushbutton and LCD. LCD also sometimes working and sometimes
not workings. Its display only half of the i want to display and many problem.
Week
9
In this week, I draw the PCB layout.
This step take time because draw layout was difficult. My circuit was
complicated with many devices. My project used many devices because my security
system used for all angle like temperature, door and windows. I also used four
relays for four extension. Then, have tens LED for shows each functionality.
Each sensor had one LED. When the sensor is in used, the LED will on according to what sensor that
we used. Each extension also have their own LED to show what extension was in
used. Then, arm and disarmed LED and lastly LED for all system. If the LED of
all system was turn off, that means the system is down.
Week 10
This week I do for two step because
the step was just for a while to do. First, I fabricate the PCB design
according to the layout that I draw last week. After that, I start arrange the
components and then solder. This called soldering step. It take for two days
for soldering because, the component was so many and I had a problem when the
soldering lead was run out. Sometime, my soldering iron had a problem. Maybe
because, used in a long time, so the heat of the soldering iron became low.
Week
11
This week, I edited some my
programming. I finished my programming for GSM and relays programming and went
to burn my second IC. This is for the
real project. after I test and its
working successfully, I shows the result to my supervisor. And he says that,
its okay and good. For many days I tried do the best for my project. I hope
this project will success when I present n week 14.
Week
12
I do the neatness of my project. I
arrange the board and devices on the board and
testing for the video. For the neatness, I just used wiring devices like
wire clip and screw. For two days I thinks the idea for the arrangement so that
it not stringy. Many ways I had arrange and finnally I got the idea and arrange
the wire. That the final stage for my project hardware.
Week
13
I do the report and the same time I do
poster and preparation for the presentation next week. My supervisor also want
the report on week 14 so that I do the report from week 7 one by one.
Week
14
This week is presentation week. I got many comment from my accessors
from electronic section; Puan Julie and Encik Azman. However, the presentation is running well as I supposed to.
