Electronics Forum / Electronics / October 2005

Hiya,
I wish to design a system that will be connected to the mains and will
charge a battery (small 12v battery) that will continue to supply power
even if the mains goes off (A.K.A. - powercut)

Has anyone setup a Wiki in their workplace, and if so,
has it been effective in distributing relevant information?
Which Wiki did you use?

I have to expand i/o on a system that now has only 4 inputs and 4 outputs.
I need 12 inputs and 13 outputs.
Anybody got any ideas, i thought this would be easier.
Im familiar with the '249 output latches '151 and input multiplexors

ADXRS150 is solidstate gyroscope with analog output (+/- 150 deg/s).
Do you know any other low cost solidstate gyroscope component and its low
quantity supplier?

I must admit, I haven't been keeping up with
advances in electronic components.
I just bought a ( small ) LED flashlight.
It uses 2 - AA cells, has 3 - LEDS,

test

I have been seaching for a phone (regular phone, not cell) that would ring
British style, without any luck so far. Anyone happens to own or know such
phones? If so, what brands and models? Thanks.

Can anyone advise who handles Matsushita/Panasonic minature relays? I'm
looking for a DF2-DC12V (DPST) miniature PCB relay to replace a dodgey
one from a Sony tuner (Sony part number 1-515-614-11).  I can't find
anything on the Soanar website.

I've just purchased a new piece of recording equipment from the US, and
prior to hooking it up i wanted check whether i'm gonna frazzle my new
toy.
The unit's input is DC in, polarity (-)--(0--(+), the AC adaptor it

What is the suggested reference book for electronics? I'm an electronics
student and I would like to get something really extensive to use as a
reference, for all that has with electronics to do - for example
components (for example capacitors, flip-flops, OP's, everything) and

can anyone shed some light on Uni-lab telecommunications at all? A uni-lab
KL micro series transceiver (radio repeater, high band VHF) has landed on my
workbench & i have no info on it at all apart from the transmit & receive
frequencies & the fact that it's dead.. the following ...

New address of my homepage is: http://www.pozsarzs.hu
Some link are bad, because it is under construction.
News:
CDStore 0.3:

Ok I have a r/c submarine and i need some form of electronic sensor to keep
it level. Onboard power is 7.2V.
Anyone any ideas?
Thanks

Does anyone have or need spare parts for a Nokia 6100 phone? I've been
given one that doesn't power up. The unit died suddenly in the user's
pocket. It has not been dropped so the display is probably OK. I
suspect the fault is on the main PCB (where else?). My choices are to

** Anyone here had a good look and play with the DSE, 10 MHz  CRO  yet ??
http://www.dse.com.au/cgi-bin/dse.storefront/435c92d70bf12d382740c0a87f9c071f/Pr
oduct/View/Q1803
For a mere $158  inc gst  plus nice 10:1 probe chucked in it  MUST  be hard
to beat for value even against used ...