Hobby Electronics Basics

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Q Factor

Hello All Say Impedance Z i = jwL + Rs (Rs is in series and it is actually the internal series resistance, this means i...
4 comments posted 21yrs
posted by cheanglong
4 comments posted 21yrs posted by cheanglong

building your own mic preamp and a/d converter

I just bought a creative nomad jukebox3 from ebay: http://www.nomadworld.com/products/Jukebox3/ Bought it to do some fi...
0 comments posted 21yrs
posted by marc75D
0 comments posted 21yrs posted by marc75D

Can I read caller ID from the modem?

I'd like to be able to have the computer at home pick up when I call home from work. Otherwise, the answering machine wi...
1 comments posted 21yrs
posted by bobgardner
1 comments posted 21yrs posted by bobgardner

Equipment for Beginner

What equipment do I need to get to learn the basics of AC/DC? I have texts and online sources for the theory but I am n...
7 comments posted 21yrs
posted by not_me
7 comments posted 21yrs posted by not_me

Resistor color code for kids

I remember the color code with bad boys rape .... I want to give my 10 year old boy a different saying. What is a more t...
17 comments posted 21yrs
posted by Ray.Straub
17 comments posted 21yrs posted by Ray.Straub

Power generation specs I see quoted

This may not really be a good quesion for this group since it is really about power generation on the utility level rat...
4 comments posted 21yrs
posted by westford97-google1
4 comments posted 21yrs posted by westford97-google1

oscillation of Clapp LC circuit

Hello All I am studying about Clapp LC oscillator. Given below link is the circuit of interests http://www.geocities.co...
0 comments posted 21yrs
posted by cheanglong
0 comments posted 21yrs posted by cheanglong

NYC store that sells knobs for 1/8" D-shafts ?

I need a knob for a 1/8" D-shaft (the shaft has a flat side for a set-screw). Radio Shack sells knobs but only for 1/4"...
7 comments posted 21yrs
posted by moderation3nospam
7 comments posted 21yrs posted by moderation3nospam

[OT:] What's your news reader do with this or that?

Followups to SEB, please. When you reply to a x-posted article, does your reader warn you that you're x-posting? When y...
17 comments posted 21yrs
posted by reply2group
17 comments posted 21yrs posted by reply2group

crock pot mods

Bonehead question...How can I take down the level of heat on a crock pot? Is this just a resister? It has a temp contro...
5 comments posted 21yrs
posted by flxcpy
5 comments posted 21yrs posted by flxcpy

home-brew vswr meter

How minimal of circuit would be required to tell the difference between whether a load was inductively reactive or capa...
4 comments posted 21yrs
posted by cyberhun
4 comments posted 21yrs posted by cyberhun

How much current does an LED take?

I want to experiment the parallel port with eight LEDs tied to a cut parallel port cable, then send instructions with Vi...
17 comments posted 21yrs
posted by Sea.Squid
17 comments posted 21yrs posted by Sea.Squid

is this code right for ds1620

hai evryone, itz me again, i have written some code to activate ds1620, still it is not working. actually this code doe...
2 comments posted 21yrs
posted by balakrishnavakamalla
2 comments posted 21yrs posted by balakrishnavakamalla

EMF Detector made easy?

Hello one and all. I have been looking into building a "very" sensitive EMF detector due to issues with power lines in...
16 comments posted 21yrs
posted by abel6479
16 comments posted 21yrs posted by abel6479