Matrix Keypad

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4x4 Matrix Keypad

Hieronder staat het matrix schema van de 4x4 Matrix Keypad (te vinden in de elektronica lades) nc 1 2 3 4 5 6 7 8 nc key

  x       x           1
    x     x           2
      x   x           3
        x x           A
  x         x         4
    x       x         5
      x     x         6
        x   x         B
  x           x       7
    x         x       8
      x       x       9
        x     x       C
  x             x     *
    x           x     0
      x         x     #
        x       x     D