Re: Motion Sensors - Now WaveFinder....

["Frank Mc Alinden" <armagh@xxxxxxx>]

Hi Guys

Just in case Ian,s busy

>Ian can you suggest a suitable diode (that *aplins sell?)...

in4004......in4007 any one of those should do they are rated at 1amp
IIRC
......

Frank Mc

----- Original Message -----
From: "Lee Varga" <lee@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Sunday, August 11, 2002 12:47 AM
Subject: RE: [ukha_d] Motion Sensors - Now WaveFinder....


> Tony,
>
> Sorry a bit late onto the thread, but here goes...
>
> My original WaveFinder died suddenly aged about three weeks.
> After much reading a possible cause was the PSU.
> It's a very poor excuse for a PSU, unregulated, and pumping out
> 17V without a load. Enter one regulated PSU.
>
> Like you couldn't find one at 10V, so I tried it at 9V without
> success, there is a lot of dropout of the stream. After more
reading
> a few ppl reported no problems with a 12V supply, so I tried that
> and it's been working fine.
>
> That said I may build a 12V-10V converter lead (inline socket,
three
> diodes, some shrink-wrap and a plug!) just in case...
>
> Ian can you suggest a suitable diode (that *aplins sell?)...
>
> On the subject of Psions finest : I really wanted to pick up the
> London Muxes from here in sunny Milton Keynes (as my mate 1/2 mile
> away can do it).
>
> So I bought a *aplins directional DAB aerial, and the Psion patch
> lead. Hung the aerial out of the window and... nothing. The signal
> meter reads exactly the same with/out the new aerial plugged in.
> Any thoughts?
>
> Cheers,
> Lee.
>
> ---Original Message---
> I've managed to find those pc dc outlets (2 per board), so I'm going
to
get
> some (page 13 of keene's 2002 catalogue, if anyones interested) and
try
> running most of my pc connected toys (and possibly KAT5) off of them.
If
the
> wavefinder doesnt work at 9v (the maximum output voltage from these
units)
> I'll try all the suggested options.
>
> The real problem is I know very little (if anything) about
electronics. So
> current/diodes/regulators leave me groping in the dark. I wish I'd
taken
the
> time to learn about electronics (I can build a PC, but that's about
it!).
> e.g. I didnt realise that if I tried to run 12v dc down a length of
cat5
for
> any distance that I wouldnt necessarily get out the end what I put in
at
the
> other end...
>
> Many thanks
> Tony T
>
>
>
>
>
> For more information: http://www.automatedhome.co.uk
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