4×4 Matrix Membrane Keypad



Keypad 4×4

Punch in your secret key into this numeric matrix keypad. This keypad has 16 buttons, arranged in a 4×4 grid. It’s made of a thin, flexible membrane material with an adhesive backing (just remove the paper) so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 8 micro controller pins (4-columns and 4-rows) to scan through the pad.

  • Ultra-thin design & adhesive backing provides easy integration to any project
  • Excellent price-performance ratio
  • Easy communication with any micro controller


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