Membrane 3x4 Matrix Keypad

Product Code: 1005
Availability: In Stock
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Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 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 7 microcontroller pins (3-columns and 4-rows) to scan through the pad.


  • Dimensions: 69.2 x 85 x 76.3mm
  • 7-pin 0.1" pitch connector

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