On Thu, 21 Feb 2008 19:48:34 +0000, James Salisbury
wrote:

http://www.google.co.uk/search?hl=en...h+maplin&meta=

this kit is pic based so you could build it and then reprogram it as you
wish. You could change the code so it reads the switches and sets the
required delay. You will need to buy some more chips, you can't
reprogram the one with this kit.

That sounds worth trying! Thanks again for your help.

JD