Re: PIR's

["PatrickLidstone" <patrick@xxxxxxx>]

--- In ukha_d@y..., "Alex Monaghan" <alex@m...> wrote:
> Any advise on how I can read the PIR status etc... on a PC ?

Depends how many. If you have a bi-directional printer port, you can 
interface 12(?) direct.
Otherwise, Maplins used to do an ISA digital I/O card, which I 
successfully used to interface PIR's in my last house. Sadly I think 
these have now been discontinued, although the hardware is 
straightforward. Perhaps Vellman or another kit suppliers do 
something similar?
If you're comfortable with rolling your own hardware, then a rabbit 
core would give you a very flexible dedicated interface for a lot 
less than Homevision costs.
You may also want to look at VIOM modules. Paul Gordon has played 
with these and I *think* they do a parallel input version.

Patrick

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