"Jim Thompson" wrote in
message ...
Frustrated with IR repeaters that use RF links (like Terk)... ambient
RF noise too high for reliable operation :-(

It occurred to me that since I have a central "Great Room"
architecture, that makes for a wide open optical shot across great
expanses... as much as 60' per link... so a purely optical repeater
should work nicely... pick-up the IR from a remote and blast an LED
with an Ampere ;-)

Ceiling heights of 12' to 16' and door openings of at least 8' means I
don't have to contend with people getting in the way.

So now I need pointers on how to collimate/focus an IR beam so it
doesn't spread out too much at 60' range.

Ideas?

I use a 4" length of 20mm black delrin . Drill right through with 4mm drill.
Drill one end with 5mm to a depth of 7mm nominal to fit the led in with a
drop of super glue..