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Thinking about it, you could have 8 zones, any or all of which could
run at
the same time, using _4_ wires, not 8... however, it would add
latency.
The first three wires would specify a zone using the coding you
suggest
below. A pulse on the 4th wire would toggle that zone in or out of the
active
set...
M.
-----Original Message-----
From:
andy_powell_is
[mailto:ukha@xxxxxxx]
Sent: Fri 31/05/2002 11:03
To: ukha_d@xxxxxxx
Cc:
Subject:
[ukha_d] Re: Hmevision ir transmitter
Frank,
I'm still interested in this too... are you
using some kind of binary
encoding using the 3 connections to represent
the
zones or have I got
it all wrong? I was thinking along the lines
of:
x=low o =high
Example
1
Pins
123
x00 =
zone
1
Example 2
Pins
123
xox
=
zone 4
Andy
--- In ukha_d@y..., "Frank Mc Alinden"
<armagh@b...> wrote:
> Hi Andy and
Ian
>
Over the weekend i will make a prototpye
of the
> circuit i have
and
test it. As Ian B suggested, in my circuit
only one
tx
>
is active at any time. If you require that several Zones are
active
at
> exactly the same time then go down the path Ian
suggests.
Also the
circuit
> you are working on make sure the LEDS are the
correct way round.
>
> Frank
Mc
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