Traffic light with CD4017 (part two)

For a simple crossroad, you can made a simple trafic light for cars and pedestrians (passers). In schematic lights 1, 2 & 3 are for traffic ligths for cars who go from bottom to top or from top to bottom, lights 4, 5 & 6 for cars who go from left to rights or right to left. Ligts 7 & 8 are for passers who want to go from left to right or from right to left, light 9 & 10 are for passers who want to go fron bottom tu top or from top to bottom.

If note A = 0, 1, 2 & 3 clocks, B = 4, C = 5, 6, 7 & 8 and D = 9 clocks, you will see

so, decoder module  can have next schematic designed with Eagle PCB

For clock it use CD4093 and for decade counter  with 10 decoded outputs it use CD4017:

You can download in pdf format boards for:

1.clock it use CD4093 and for decade counter  with 10 decoded outputs

2.bottom side for decoder module & upper side for decoder module

 

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