![]() manipulating, the output pins using a boolean array, which in every loop() is written to the array of 74hc595s. The following graphic showed how the penny dropped.Ĭontrolling i.e. Regards have changed my mind about how difficult it would be to program two or more daisy-chained 74HC595 chips. The help is much appreciated.and I will again look through all links and comments. Hi Pugwash, the guy who I copied this sketch from did change to a 74HC595 so maybe have a look at that. High on sketch is when LED's are on.so switches from Red, to Yellow, to Green, and white array for direction when yellow or Green.noy sure how to change to ON - OFF in a sketch is it that simple. But I will look at all comments to help me.also the signals have 3 colour aspects plus on "Y" points on LH lines have a 5 LED white direction Left or Right as Picture. Hi Skynet, You are not the only one struggling with Logic this logic is a nightmare as the Crossover requires a lot of witing and polarity switching, also I have just installed a Scissor crossing which requires 4 relays DPDT to change the polarity of Frogs considered using an Arduino but have to switch relays and I have a lot of 12v DPDT miniture, luckily I can simulate in NI Multisim, I also have a copy of Proteus which not used yet so simulate.
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