Hi Westy,
I was only checking text for the correct format, it is a Sandpit afterall ~ ;o)
But if you want something to get your teeth into for the weekend-
http://www.picaxeforum.co.uk/showthread.php?p=146236#post146236
The basic Circuit, BAS, instructions, links to the WIN App etc, etc.
All available in the first post, you just have to read the large BAS/txt file.
(they won't read in here you know that)
Will add photos, waiting on parts.