Electronics Forum / Electronics / May 2009

Good evening all, I am in the process of researching a Line
Filter/Conditioner or in more general terms a Mains filter.  I got
this idea when I saw Best Buy charging >$149USD for one.
Here is a link for one such device...

EDM Solution 16
Primo IR-530Q Passive Infra Red detector
Movement detector has a pulse count of 1-3
with a delay time of 20 seconds.

As a former Engineer I want to take the time to share a very good
website to this group. They sale RF & Microwave Products. I don't want
to spam this group I just thought you might be interested in my
products. I will post sales everyonce in a while for you guys.

Do you talk on the phone for long hours? If yes, then buy headsets and
perform your day to day activities while conversing with your friends.

here is a new type of search engine, I found out about, on todays
morning TV show IT section.
Google searches, then produces links to follow.
wolframalpha produces facts and figures direct.

Most guitarists I know seem to just accept that the phono socket on their
guitar will be a bit dicky, even if it's a quality instrument. That's
certainly true of my (genuine) Strat, even with the cord looped back through
the shoulder strap there's the occasional annoying ...

http://members.iinet.net.au/~vanluynm/Pictures/Sparks_3.jpg 39K

Since the LCD and Plasma TV sets are essentially computers and have
internal clocks, I see no reason why their firmware could not be programmed
to turn off the master chip PERMANENTLY at some random time after the set
has been used for the number of hours set by the manufacturer as ...

My Sharp/Fronius 1kW system has been pumping around 5kW/hr back into the system
on a daily basis since it started running on the 5th May. Perth is experiencing
an extended Autumn with sunny days in the mid 20's and no rain, so that is quite
good performance. It should do a lot ...

Basically, I own a pair of Denon AH-D1001 headphones. (http://
www.usa.denon.com/ProductDetails/3785.asp)
It's been working fine for a year, but recently when I plugged it into
my iPhone, only audio from the right ear came out. While the iPhone

Anyone have access to the service manual for Pioneer PDP-V401 plasma monitor?
E-mail to davectheseal2468@yahoo.com
but remove theseal before sending.

Go and have a look at the discussions about inverters on uk.legal
(inverters and moderators and) uk.legal.moderated (electric
fences)mainly from poster "blah".I think his postings are dangerous if
people believe him and are not careful as a result.

Could anybody ansyer the question for me
How is single insulated metal-framed equipment earthed according to the
requirements?

What is the formula used to calculate the number of windings that the
secondary winding should contain in order to produce the correct amount of
voltage from the primary winding

I have a need for an EPROM emulator for a job, after which I don't expect the
need will arise again.  I ONLY need 2716 capability, not any other
size/capability.
Is anyone aware of any real cheap basic units out there?  Kits?