Traffic light simulator

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Project: Traffic light simulator
Featured: No
State Planned
Members Xopr
GitHub No GitHub project defined. Add your project here.
Description School example of implementing traffic lights
Picture
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Some brain dump on charlieplexing 8(x3) traffic lights, 4(x2) pedestrian lights, 8 sensors. each number is a pin

        | 36  63     |
      45|            |
      67|            |
        |            |
      16|            |16  12
      72|            |72  34
--------'            '--------

                            37

51                          73

15

--------.            .--------
  45  16|            |16
  67  72|            |72
        |            |
        |            |12
        |            |34
        |     25  52 |
Bottom-right example:
Main traffic lights use a Z-shape connection so that with 90 degrees turn, all combinations are used
1 2
o-o
 /
o-o
3 4
21: Green-A
12: Orange-A
23: Red-A
32: Orange-B
34: Red-B
43: Green-B

Pedestrian light uses L-shaped pinout so that opposing lights carry the same signal
1 6
o o
  |
o-o
7 2
16: Red-A
62: Red-B
27: Red-C
71: Red-D
61: Green-A
26: Green-B
72: Green-C
17: Green-D

rest:
35,53