There appears to be connection problems with your breadboard: -



Shouldn't one side of each switch be (say) at 0V whilst the other side has a pull-up?

Getting Strange Readings From a Multiplexer
We registered for a roasting pan and it has been sitting around taking up a lot of space. Do I really need this or is this a "one-tasker" as Alton Brown would say?

I understand that the roasting rack allows the juices to drip down. I've had lots of success roasting chickens just in a baking pan with 2" high sides.
