Tag is 4 x 4 Matrix Array
Electronic components New High Quality 4 x 4 Matrix Array 16 Key Membrane Switch Keypad Keyboard Brand New
4 × 4 matrix membrane keyboard
8P DuPont head pitch 2.54mm, pin can be inserted in the connection circuit; thrown off the back of the keyboard can be a solid white sticker pasted on the surface of the chassis
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4 x 4 Matrix Array