Electronics Forum / Electronics / January 2006

I got a Foreign Voltage Converter made by Recoton. Like others in
Wal-Mart, it converts 220-240 volts AC to 110-120 volts AC. I want one
that can convert the other way, 110-120 volts to 220-240 volts. Is it
possible I plug in 110 volt into the output end of this and expect 220

I want to make an adaptor cable which has a 3.5 mm stereo plug on one
end and a male XLR plug on the other end.
The XLR socket (which the cable will plug into) is a microphone input
and I want to be able to connect a CD/mp3 player to it via the adaptor

I've got a datasheet for a chip that takes an RS232 serial input with
a protocol of 9600,N,8,1.  It indicates the voltage level at this
input is hardware-selectable to either +/- 12V(as found from a PC
serial port), and either normal or inverted TTL level(0-5V). I plan on

How much lux would you get from a standard lamp, I tried to find out on
Internet, but each web site has it's own figure first I saw 170 then 1740
then another said 10,000 give me a break.
Or to put it another way if you ran a 1 Watt LED (about $20) as a night

All,
I have been working on an ultrasonic sensor since 1994.
About two years ago I decided to package the sensor for everyone.
It is avaible now.  Data sheet is avaiable at the web site.

I was digging through some old boxes of books and came across this series of
books yellow/red
basic electricity   (1-6 volumes)
by Van Valkenburgh Nooger & Neville Inc.

for a wide range of lenses and LUXEON LEDs look at our ebay shop:
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Or visit our homepage at:
www.industrieberatung-sd.com

The converter that comes with our baby monitor has output of 9V 100mA
DC.
I would like to connect the baby monitor in a second location using
another

A friend has two large Plasma screens with burned out power supplies.
He's a Broadcast Maintenance Engineer at a 24 hour news channel and can
fix any electronic equipment if he has a schematic or can identify the
parts.

Hi,  Trying to download datasheets from the Microchip website and getting
nowhere. I click on the PDF icon, the browser says it's downloading, but
nothing more happens for quite a while (up to hours). Is there something I
need to know or is this just a case of waiting longer?   TIA

I wish to monitor the amperage on a single phase 240v ac circuit w/ a
neutral. I was wondering if it would be possible to connect two ammeters
coils ,one on each hot wire,simultaneously to single ammeter.
Thanks!

I would like to introduce my new web site to you :
http://www.micro-examples.com/public/microex-navig/doc/200-pic-microcontroller-e
xamples.html
I try to write very simple PIC application examples and give them free to
use on my web site, for pic newbies and hobbyist.

Hopefully some nice DDR guru is out there...
My DDR design is for a single REGISTERED DDR modules (64 bits wide plus
ECC/parity bits).  The module was acting like cas latency was 2.5 when I had
set it to 2, so I changed my design to work with CL=2.5 and continued with

I have an Aiwa nsx f9 stereo which is completely dead.  after a look around
the circuit I found 2 blown fuse resistors which feed into 2 power
transistors near the bottom of the main board  after replacing these it is
still dead any ideas as to how to fix this unit.  I have ...

Okay, so I'm writing an article about how to play classic vector arcade
games on your Vectrex. I've got it all working nice, but I'd like to
create an interface to use the original Vectrex contoller. Here's what I
know.