Re: IR Repeater Thru Mains - was - New site for Infrared Remote Manager

["PatrickLidstone" <patrick@xxxxxxx>]

> 
> Some IR receivers acting as the X10 equivalents will be posted on 
my site in the near future (home made). You will be able then to 
command Home Appliances using IR commands.
> This is what I intend to do... base all my home devices on 
infrared, not X10.

I tried this, and abandonned it - the big problem with IR is the lack 
of feedback and poor reliability.

- IR is generally way, way less reliable than X-10 - affected by 
sunlight, line of sight obstruction
- IR signals are corrupted if they originate from two different 
sources simultaneously (e.g. user picks up remote at same time as PC 
sends command). This can't be detected automatically.
- It is impossible to determine the status of the controlled device 
when using IR (agreed, for most X-10 devices too, but the control 
model for X-10 works better, with all commands driven through a 
single interface in my environment, so I at least know the notional 
state of all devices)
- Lack of discrete control codes for all products with IR makes 
robust control very difficult (devices end up operating on 
an "inverted" basis, toggled on when they should be off or vice
versa)

Be interesting to see if you fair better though!

Patrick

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