Hobby Electronics Basics

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Where to buy MAX233 chips in Philadelphia area

Hi all, I need to quickly get my hands on a few MAX233 chips. I was wondering if anyone knew of some local electronics s...
1 comments posted 21yrs
posted by weg22
1 comments posted 21yrs posted by weg22

Regulator noise

I'm wanting to put together an xmtr and rcvr pair using some Linx modules (ES series 916mhz) and it's a very simple str...
3 comments posted 21yrs
posted by newszz10
3 comments posted 21yrs posted by newszz10

8 switches

i'm creating a basic device, i have 8 basic open switches. if i close one switch, i want the main circuit to be complet...
33 comments posted 21yrs
posted by mattk
33 comments posted 21yrs posted by mattk

remote control IR informations (where's dnegro)

In the past, I have realized a remote control for my TV. I had found a great website with a ton of infos about IR link....
0 comments posted 21yrs
posted by dan.lavoie
0 comments posted 21yrs posted by dan.lavoie

Need help with these basic electronics question?

Hi I am learning basic electronics and I need help with these questions? 1. The resistance of wire does not depend upon...
13 comments posted 21yrs
posted by esrabb
13 comments posted 21yrs posted by esrabb

epitaxial planar

Hi can someone explain the meaning of "epitaxial planar type "??? Tnx dan
4 comments posted 21yrs
posted by mrdan
4 comments posted 21yrs posted by mrdan

Improving PC microphone voice input?

I am really struggling with this. What can I do soldering wise? what can I buy? I really need to know how to improve th...
0 comments posted 21yrs
posted by jdoe
0 comments posted 21yrs posted by jdoe

Do hard drives fail from open covers?

Three of my 60-80 Gig Maxtor hard drives failed. First it will not look for datas. Later it will not format. Then final...
76 comments posted 21yrs
posted by Sam
76 comments posted 21yrs posted by Sam

Augh! WTF 'megabaud'?

OK, I guess it's almost OT for the crew, but, well, I was looking for a firm spec on Motorola's SPI bus. I've got a des...
15 comments posted 21yrs
posted by richgrise
15 comments posted 21yrs posted by richgrise

electronics for dummies book

is electronics for dummies book worth getting or can someone sugest a book.. i know nothing about electronics but would...
7 comments posted 21yrs
posted by wmobley
7 comments posted 21yrs posted by wmobley

dead psu

greetings, can anyone direct me where to troubleshoot a dead atx psu. a green wire was already shorted to ground (black...
0 comments posted 21yrs
posted by cheian07
0 comments posted 21yrs posted by cheian07

DC motor 'rules of thumb'?

Anyone know of a site that describes DC motor tradeoffs? I know torque is proportional to current and turns, and there...
0 comments posted 21yrs
posted by bobgardner
0 comments posted 21yrs posted by bobgardner

Voltage Converter Question 210 to 120 volts

I am sending a fax machine that the power specifications state that it uses 5 watts in standby and maximum of 100 watts...
6 comments posted 21yrs
posted by hillyc12
6 comments posted 21yrs posted by hillyc12