Radio Shack was selling a device  that had:
volt meter
inside temp
outside temp.
clock
              for $7

I bet someone else has something like this, now

Troy wrote:

> I had a lot of requests for this little gadget. Within the next few
> days I
> will list the source of where to buy the items as well as a detailed
> wiring
> schematic for anybody else who wants to try this. Thank you for all your
> interest-- the one I had for sale has been sold.
>
> http://new.photos.yahoo.com/cwphoto2/?change_count=0
>
> Troy
> 89 Westy
>
>