Sunday, May 5, 2013

Welcome to Electronic Engineering, Fellows!

Hi Guys /Girls Today I'm gonna start a new Blog  about Electronic Engineering,So Stick with me Guys.I'll Show you how to design a Product From Start to Finish.

I'm Chamli Priyashan Abeysingha ,and I'm Electronic Engineering Student (Year 1)at SLIIT
and a Crazy Fellow About Engineering .I Think That's  Enough About Me!(Have to Later)

Before We Start You all must Have Curiosity about Engineering and Must Have Basic Electronic and Basic Mathematics.

I'll Teach you Everything about
  • Zener Diodes 
  • Capacitors
  • Transistors
  • FETs(MOSFET,JFETs)
  • OPAmps
  • Inductors
  • Filters(LowPass,HighPass)
  • Microcontrollers
  • FPGA,
  • PCB Designing
  • Etc.......Including Hacking,Tear-downs ,Developments.
Enough Talk Lets START!

First Of all  You must have a Basic Electronic Workshop.

I'll Guide you through to Have a Reasonably good Quality Lab.
To do that.You have to Pay About (12000LKR or more)
Its OK That You don't Have That Much,But Stick With me!It Will be Much Less

For a Good Lab you Should Have


  •  At least 2 Multimeter s Or more (2100LKR Minimum)
Auto-Ranging Multimeter (35$ at eBay)
(because we should be able to measure Voltage and Current at the Same time.I Recommend you to have Auto-Ranging  Multimeter s but they are about 35$ for each(Chinese )
Normal Multimeter (1050LKR at Peta/Sri Lanka)
So you can Have 10$ Cheap Normal Multimeter.











  • You Should Have Good Power Supply (8500 LKR for Commercial Lab-PS)
You Will Defiantly want a Variable Power Supply,It Should Have Voltage Adjustment Pot and Current Limiting Pot .Because we need to Generate various voltages and need to limit Current  Flow in Some Times.So You can straightly Buy a Power supply from eBay or From a Electronic Shop (Electronic Shak)
Or You Can Built One for Your Self    (1500LKR)
It is Very Easy to Make a Good Power Supply by your Self.Lets Design a Lab Power Supply as Our First Project In next Blog.
  • You Should Have Oscilloscope (45000 LKR )
You Defiantly need a Oscilloscope in electronics,but these are very expensive,you must buy as much as high band width one,because the higher the bandwidth the more frequencies you can measure.buy 2 Chanel or more one ,so you can measure many signals at once.
or you can buy  USB Oscilloscope they are cheap but not that much precision.but that is more than enough for us.USB Oscilloscope is about 13000 LKR
BUY A  Oscilloscope above 20Mhz bandwidth.Even i Still don't have one.  
  • You Should Have 2 Good Soldering Iron s Or More (1000LKR For Cheap 2)
This One is Also Important. I Recommend You to Buy  Temperature Variable Soldering Station

This thing Is About 85$ In eBay and Excellent Quality One.
But you Can Buy 2 Normal 25W Soldering Irons
And You Should Have a 60W Iron Also(because some times you will have To De-solder Some Components From Old Circuits) these ones Are 200LKR In SriLanka .




  • You Should Have a Bread Board
  This is very Use-full Thing to Build Test Circuits Without Soldering.
You can just Plug your All  Component and in to places and connect all of them as you wish by Wires.


  •  You Should Have a PC (Computer,I think You all Have one so that's Free)
Your PC Should Have Serial Port(For Programing)If You Have USB Programmer, Serial  Port Is Not Essential.Programmer is not that much necessary for our Basic electronic lab.And Also I'll Show you How to build One In Future Blog.
  • You Should Have Various types of Screw Drivers

To take things Apart ! And to Assemble Them.
also include Alan-keys 







  •  Should Have.
Proper Engineering Ruler.~
                                        Normal Ruler Will Not Work Because There Measurements Very With Temperature Range.

Paper Cutters.
To Cut Tracers in Some Circuits

Scientific Calculator
You can't do all The Calculations By Hand ,Because That's Silly 

Component Storage
            Because You can't Go to Shop Always.in your Storage you should Have all flavors Resistors,Transistors,FETs,Zeners,Diodes,LEDs,Opamps,Capasitors.etc
            
Dust Bin
To Put All Your Fail Projects! That's How We Learn Electronics,All Buy Mistakes

Junk Circuit Box ~ 
Collect as much as Circuits To Take Parts. I Have About 60 Kg  Of Junk Bin.


I Think That's It ,Now you've got basic Electronic lab Equipments., Its 10.25PM Now,So Have to say Good Bye . Hope To Update Soon .Have a Good Day Guys.


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