Hobby Electronics Basics

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Wattage - potential vs actual

I have a DC-DC 200W power supply that likes to take 12V (plus or minus 1V). Finding that an XBox 360 adapter yields 203...
2 comments posted 19yrs
posted by raygions
2 comments posted 19yrs posted by raygions

Help with electronics terms

I'm having a bit of difficulty understanding the following terms: A "pull up resistor". [But then I have a bit of a pro...
6 comments posted 19yrs
posted by spamfree
6 comments posted 19yrs posted by spamfree

Single supply opamp calculations

Hi, I'm doing some more opamp calculations just to get used to opamp golden rules some more. I decided to do an ideal a...
9 comments posted 19yrs
posted by mr.whatever
9 comments posted 19yrs posted by mr.whatever

oscilloscope

I'm a newbie wanting to muck about with picaxe projects partly to learn and partly to make some long-wished-for gadgets...
15 comments posted 19yrs
posted by spamfree
15 comments posted 19yrs posted by spamfree

multiple VDD pins

I'm trying to wire up Panasonic EDMGRB8KJF LCD to a Gumstix. I successfully ran power to the backlight on the LCD today...
0 comments posted 19yrs
posted by orangerobot
0 comments posted 19yrs posted by orangerobot

Just a Question?

What kind of "Molecule" is the elctron "attached" to when created in a Generator? I do some electronics & other: http://...
8 comments posted 19yrs
posted by quark5
8 comments posted 19yrs posted by quark5

Maximizing Q in a series resonant L/C circuit?

Hi All, If I have a resonant L/C series circuit, how do I maximize the Q? Do I: 1. Make the capacitor much larger in co...
25 comments posted 19yrs
posted by billcalley
25 comments posted 19yrs posted by billcalley

Vpp different from signal generator and scope

I have something simple but I can't seem to find an answer to it. I am getting a different Vpp measurement on the scope...
6 comments posted 19yrs
posted by willwestward
6 comments posted 19yrs posted by willwestward

coax stub and series section line transformers

Looking at this wifi antenna design: http://wireless.gumph.org/articles/homemadeomni.html got me thinking of a series o...
4 comments posted 19yrs
posted by kellrobinson
4 comments posted 19yrs posted by kellrobinson

TAG8730

Could someone tell me what kind of a component is TAG 8730 Thanks.
3 comments posted 19yrs
posted by bojan.ded
3 comments posted 19yrs posted by bojan.ded

Desirable output resistance

Hello. I have a simple question. I am currently taking an electronics course and I'm confused by one thing: When is out...
9 comments posted 19yrs
posted by dartkick
9 comments posted 19yrs posted by dartkick

RoHS just a thought

Hello I operate an industrial surplus reuse store site called reusestore.com. We deal with a lot of older obsolete part...
10 comments posted 19yrs
posted by greenplanetsolutions
10 comments posted 19yrs posted by greenplanetsolutions