Lundin:
Hi Mike.. hope you've gotten this straight since it was some time you posted the questions.. if not.. check this out
This is another method of tieing "dht_pin" to the physical pin.. ( check up on # define in Arduino glossary)
if i remember corrrectly the compiler treats the "#define" command differently than the regular way and this might be better to use in some situations.. i haven't read up on it though as i got my projects running and haven't had reasons to code it differently.
I almost gave up and just happened to come back here. THANKS for the explanation. Let me start again with this project.