Model railway automatic signal control


My first foray into the world of Picaxe was because I was unhappy with a purchased product and the service I received so I decided to design my own circuit that automatically controls a model railway colour light signal which has over time evolved from a simple circuit that controls one signal to a multiple control circuit that can control up to 8 signals at once.

In the spirit of sharing I posted the schematics and some test code to my web site so that others may use what I learnt to make their own control modules

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