PIC to PIC - Bidirectional LEDs

[sswcharlie]

Well, how about here:

http://www.merl.com/papers/docs/TR2003-35.pdf

Charlie

[mackrackit]

Like your article said, only good for a few centimeters. And I do not think it would be very reliable.

Look at this if you want IR communications.
http://rentron.com/PicBasic/IR_Chips.htm

Or are you wanting to build you own opto coupler? For that all you need is a photo transistor and an LED (maybe a resistor or two) and then you can send pulses.