Wednesday, 22 February 2012

component and price


Project Costing
The component required for the project proposal was listed below:

BIL
COMPONENT
QUANTITY
PRICE/RM
01
RESISTOR 180 OHM
1
4.90
02
RESISTOR 15M OHM
1
3.70
03
RESISTOR 100K OHM
1
1.30
04
VARIABLE RESISTOR 1M OHM
1
17.70
05
CAPACITOR 1 FARAD
1
2.70
06
CAPACITOR 470 MICRO FARAD
1
0.90
07
TRANSISTOR TIPP31C NPN
1
3.20
08
ZENER DIODE 1WATT
1
1.70
09
SIGNAL DIODE 1N4148
1
0.10
10
TRANSISTOR 2N3819
1
2.20
11
SOLAR PENAL 6 V – 12 V 1mWatt
1
193.50
12
P.C.B BOARD
1
12.00
13
OHP
1
1.00

TOTAL

244.90

Sunday, 19 February 2012

Block diagram

Title of activities: Drawing the block diagram and show the flow chart of the block diagram


BLOCK DIAGRAM


Figure: this figure shown the block diagram of solar power

Block Diagram Operation
·         HEAT FROM SUNLIGHT
The heat from the sun that heat up the solar plate
·         SOLAR CELL
Solar cell will receive the heat from the sun trough the solar plate and change the heat into electrical source
·         CAPACITORS
Capacitor will store the electrical charge from the solar plate
·         SUPPLY
The charge from the capacitor that has been stored in capacitor will be use as supply for the output.

Sunday, 12 February 2012

(Construct and simulate the circuit using software)( Designing the PCB layout using Proteus 2 software)


Title of activities: Construct and simulate the circuit using software


Objective:
·         To simulate the selected project using recommended software
·         To understand the circuit part by part using this software
·         To learn how to do the right simulation using the software before constructing the real circuit.


Content/procedure:
·         Construct the circuit in (Multisim, Proteus) software by finding the component in the software library part by part
·         After got all the component from the library, do the connection for every component by referring the project schematic that given in  the magazine
·         Label all the components and put the recommended value of each component
·         Simulate the circuit and analyze the output part by part
·         Save the schematic

Figure 1

Result and analysis:
·         The circuit is done with simulation
·         In this diagram solar replace with battery
·         The reason for why we do the simulation for the circuit is to confirm the functionality of this project before we construct the real circuit and do simulation in lab.
·         After this simulation, we have got that the component is working as mentioned in the magazine.

Conclusion:
·         We are able to do the simulation for every circuit of this project and we are able to know how the circuit is working by checking every part of the circuit.





Figure 1 & 2: schematic diagram solar power supply





Title of activities: Designing the PCB layout using Proteus 2 software

Objective:
·         To construct the solar circuit in the PCB layout  using the Proteus Software
·         To make it the circuit compact
·         To learn how to produce the good PCB using the software by arranging all the wire properly.


Content/procedure:
·         The circuit construct following the circuit given
·         The circuit has been done convert to the PCB


·         the component find in the software library part by part
·         Do the connection for every component by referring the project schematic that given in  the magazine
·         Label all the components and put the recommended value of each component
·         After finish connecting the wire of every component, convert the schematic to PCB layout and do arrangement to the component. The wire must be arrange in a right arrangement to prevent the error connection of PCB
·         Print out PCB layout on transparent paper

Result and analysis:
·         The PCB layout is done
·         The reason for why we designing the PCB layout are for the circuit is to produce the PCB to install the component of the project.


Conclusion:
·         After finish this week of activities, we are able to produce the PCB layout by using the software and print it out before we proceed to next step that is do the etching . 

the PCB layout