Wouter van Ooijen wrote: >I think communicating and documenting stupid mistakes is more important >than communicating successes, so here I go again. > >I use an IR LED and a TSOP receiver to let a board-under-test log >messages on an LCD without a galvanic connection. The board-under-test >uses the IR LED to send the message, of course modulated at the >frequency appropriate to the TSOP receiver (I use 36 KHz). To check >whether the pic-under-test does indeed 'blink' the IR LED I put a normal >(red) led parallel (both with their own series resistor). > > A very good method for testing IR, is to use a digital camera. cheers, Stef > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist