The keypad module contains four 12mm switches connected to four resistors with different values so that you can operate the 4 buttons with just one analog pin from your board!
The output connector…
The keypad module contains four 12mm switches connected to four resistors with different values so that you can operate the 4 buttons with just one analog pin from your board!
The output connector is the corresponding 2.0mm JST-PH compatible with the cables for the Grape or Freaduino UNO.
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