1PC 1 2 4 12 16 Key 1*4 4*3 4*4 Membrane Switch Keypad 1x4 3x4 4x4 Matrix Array Matrix Keyboard For Arduino Smart Car

1PC 1 2 4 12 16 Key 1*4 4*3 4*4 Membrane Switch Keypad 1x4 3x4 4x4 Matrix Array Matrix Keyboard For Arduino Smart Car

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