Electronics Forum / Electronics / August 2007

I'm about to help my son connect up a couple of TV outlets in a home he has
just bought - despite the aerial, there were NONE in it, believe it or not,
just cable.  I went looking online at the 75 ohm cable available from DSE
and Jaycar.  Whilst I've done this sort of thing ...

A Warning To All Parents About The Government
Website:
http://www.hightechharassment.com/
Parents of mentally handicapped and mentally ill children should be

Trying to repair a rechargeable camping lantern that has a small
circuit board. One transistor has a broken leg.
It is marked "C9014" and "C248"and is a in a T0-92 package.
Problem is that no-one has heard of a C9014.

I have analogue telly at the moment. I use three
antennae for VHF low, VHF high, and UHF going
into a triplexer. Thus I can adjust each one
separately.  The VHF high  (for 7, 9, and 10)

I would need a good two ways Bessel active crossover schematic using op amps.
The cut-off frequency are 2000 hz
Where can I find it ?
Thank you

back in 2000/2001,  DSE  ( and others) were selling counterfeit Motorola
power transistors,  both over the counter and supplied in amplifier kits.
This first came to my attention via to old " Electronics Australia Q&A Forum
" when a NZ fellow posted about experiencing multiple, ...

I'm looking for a source of 7-segment flip-disc displays for a
possible clock project. These displays are commonly found on petrol
pumps. Size should be betrween 25 and 50 mm. I'll need 6 plus a couple
of spares - used serviceable is fine. Any ideas on where I can get

I have a threesome speaker set in the Subject line, and realized it might be
possible to use it with a fairly modern LCD TV. The manual shows it might be
done, but spares details. It looks like I'd need a female socket with two
RCA jacks (for sound) at the other end. The only ...

The September issue was supposed to include a free LED driver PCB - mine
didn't!
Can anyone describe to me how it was attached? This is not the first time
Elektor has arrived sans freebie and as usual the newsagent vigorously

  am very new to electronics and have little knowledge, am really
software engineer, Im trying to hook up a SD card to a
microcontroller, the specification for sanddisk SD Cards states that a
operational voltage of 3.1 to 3.5 voltage is requires, now my board

Hi out there in Usenet electronics land.
Was hoping to get a little help on something that should be pretty
simple.
I want to vibrate a metal plate at different frequencies using a piezo

Picinit is a free utility which is addressed to those which program the PIC
16F84A microcontrollers in assembler language, with Microchip MPLAB IDE.
Picinit defines the initial configuration of a PIC 16F84A microcontroller.
The source code (.asm) corresponding is automatically ...

Google eventually helped me locate two suitable devices, if anyone else
is interested.  They're both two channel units:
http://www.medesign.com.au/images/PC2-1.pdf
http://www.amxaust.com.au/avt/pdf/AVT-PC22002.pdf

For the thousands of users of skype that are on this list, Skype is
down, read:
http://tinyurl.com/3968m6
Don...

I have a used but great condition Baldor 1725rpm 1.5hp 115/230VAC electric
motor that is sure worth something. (These are listed on Baldor's site
around $500 new.) A posting on Craigslist isn't getting anybody's attention.
Where can I find people interested in a good electric ...