Post by thread:IR receivers (was TMR0 "gotcha")

> From: myke predko <spam_OUTmykeTakeThisOuTPASSPORT.CA> > [cut] > In any case, I've finally got my code to read two I/R Receivers working > facing away from each other for virtually 360 degree coverage from a Sony TV > Remote Control Transmitter. When I was working on my own version of the > "Runabout Robot", I found that only having one receiver could result in > "blackouts" where the transmitted data wasn't being received. Using two > receivers, 180 degrees apart fixed this problem (but I had to figure out > code to distinguish between the signals *not* coming in at the same 40KHz > clock). If anybody's interested in the code, please let me know. > > Myke Regarding IR receiver module, did you ever consider getting a 360 degree coverage by pointing the module _up_ then adding a reflector above it which will direct IR from all around into the detector? A suitable reflector could be a small cone made out of aluminium foil. The apex should point down and have an included angle of 90deg. Regards, SJH Canberra, Australia

Hi Steve, Good idea, no I haven't tried it (and, it would probably be very useable for my application). Of course you suggest it *after* I wire up my Robot... Myke {Quote hidden}>> From: myke predko <.....mykeKILLspam@spam@PASSPORT.CA> >> [cut] >> In any case, I've finally got my code to read two I/R Receivers working >> facing away from each other for virtually 360 degree coverage from a Sony TV >> Remote Control Transmitter. When I was working on my own version of the >> "Runabout Robot", I found that only having one receiver could result in >> "blackouts" where the transmitted data wasn't being received. Using two >> receivers, 180 degrees apart fixed this problem (but I had to figure out >> code to distinguish between the signals *not* coming in at the same 40KHz >> clock). If anybody's interested in the code, please let me know. >> >> Myke > >Regarding IR receiver module, did you ever consider getting a 360 degree >coverage by pointing the module _up_ then adding a reflector above it >which will direct IR from all around into the detector? A suitable >reflector could be a small cone made out of aluminium foil. The apex >should point down and have an included angle of 90deg. > >Regards, >SJH >Canberra, Australia > > Do you ever feel like an XT Clone caught in the Pentium Pro Zone?