Bob Davies wrote:Just to wrap this up so far as I am concerned, I had a good look around on the internet and eventually stumbled across TinyCAD which does everything that I want and best of all is Freeware!!
It is pretty basic so far as railway signalling is concerned (although there is a lot for general electrical engineers) but you can create your own symbol library and I have started a BS376 library of my own. There is not much in it at the moment but if anybody wants to do their own circuit design using this system, I will be happy to share what I have done and perhaps we can build up a more fully-featured library between us.
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