Hi all,

I've got short time to finish up an IR TX/RX system for a Maker Faire=20
project.  I'm having some issues getting my IR comms to work reliably=20
due to distance and angle.

Briefly, I'll have a 4' x 6' playfield with an IR LED mounted centrally=20
44 inches vertically above the field.  Small cars can be anywhere on the=20
field and need to receive commands from that IR emitter.  I've=20
calculated that max angle is about 41 deg, and distance between=20
transmitter and emitter is 60 inches at that point.

IR comms works fine up to about a 30+ deg angle, so I'm considering 2=20
emitters transmitting exactly the same thing at the same time. Would I=20
have any issues with this?  And anyone have experience on if it would be=20
better to have both emitters at the same point, pointed about 20-30 deg=20
apart, or should I space the sensors a couple feet apart, so each one=20
covers half the field.


Cheers,
-Neil.

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