Hobby Electronics Basics

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Charge and Energy

We know that charge of the electron is 1.6e-19 C and the work function of the electron is 1.6e-19 J can anyone descripe...
4 comments posted 15yrs
posted by iambharathy
4 comments posted 15yrs posted by iambharathy

Voltage and Electric Field

Can any one derive the basic relationship between voltage and electric field?
5 comments posted 15yrs
posted by iambharathy
5 comments posted 15yrs posted by iambharathy

Silicon & Germanium

What are the advantages of silicon over germanium?
7 comments posted 15yrs
posted by iambharathy
7 comments posted 15yrs posted by iambharathy

CURRENT AND VOLTAGE

Why there exists phase difference between current and voltage?
25 comments posted 15yrs
posted by ssundar.shan
25 comments posted 15yrs posted by ssundar.shan

open source boundary element method codes

Open source boundary element method codes are now available. Join the linked in group http://www.linkedin.com/groups/Bou...
1 comments posted 15yrs
posted by stephen
1 comments posted 15yrs posted by stephen

A 3 Tesla Electromagnet

Hi, I have plans to make an electromagnet of about three Tesla. I don't know whether it might seem ignorant of me to wo...
5 comments posted 15yrs
posted by hellojanitisme
5 comments posted 15yrs posted by hellojanitisme

Correct DC motor size/power?

Generally speaking. If the DC motor being used is bogging down at times, will using a slightly more powerful DC motor a...
15 comments posted 15yrs
posted by jdoe
15 comments posted 15yrs posted by jdoe

basics of electronics

Why does the electrons move from one orbit to the next orbit? what is the radius of the electron,proton and neutron? con...
15 comments posted 15yrs
posted by ssundar.shan
15 comments posted 15yrs posted by ssundar.shan

Benefit of high impedance high voltage speakers?

They are obviously not common but what are the pro's and cons? I can't think of any cons except the higher voltage. Lowe...
9 comments posted 15yrs
posted by Stretto
9 comments posted 15yrs posted by Stretto

Relay circuit for toy

I have a toy bug that when turned on it vibrates and walkes around like a live bug. I am interested in putting some sor...
25 comments posted 15yrs
posted by emetzger1974
25 comments posted 15yrs posted by emetzger1974

NAND Gates Rule!

Facts from basic electronics : boolean logic: With a million NAND gates I can make a computer. With a million XOR exclus...
34 comments posted 15yrs
posted by alanfolmsbee
34 comments posted 15yrs posted by alanfolmsbee

NiCad tool battery overheating

With some help from this and other groups, I built a cool little push stick for inline skating. http://www.flickr.com/p...
9 comments posted 15yrs
posted by jdoe
9 comments posted 15yrs posted by jdoe

A ngspice Circuit using LM358

Hi, I am trying to construct a simple current to voltage convertor using the LM358 single-supply op-amp. As a basic sta...
18 comments posted 15yrs
posted by anand.paralkar
18 comments posted 15yrs posted by anand.paralkar

Transfer files and settings from old computer

Hi All, How to transfer files and settings from old computer to new computer For details visit at- http://www.webtechnow...
0 comments posted 15yrs
posted by webtech.ashish
0 comments posted 15yrs posted by webtech.ashish

Surge Protectors

Hello, I'm going to purchase some surge protectors for my TV's and stuff. I was wondering if I have a DVR that my coax...
6 comments posted 15yrs
posted by stepri
6 comments posted 15yrs posted by stepri