Yes, that would probably work - I'll try that one - as a separate=

project. otherwise I'll have to rewrite my software - the present=

problem is intended as a retro-fit using the least amount of add=
 on
components - though I'll probably still have to use a comparator=
 as
the detectors doesn't 'snap' between voltage levels as I had=
 hoped it
would.

Mind you I could perhaps have it as an arm in the timing chain of=
 a
555  hmm

Colin
--
cdb, bodgy1@optusnet.com.au on 04/11/2002

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