Membrane 3×4 Matrix Keypad

Membrane 3×4 Matrix Keypad, punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3×4 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 7 microcontroller pins (3-columns and 4-rows) to scan through the pad.

SKU: 87

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1-3 Days

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  • Warranty 1 year
  • Free 30-Day returns

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Description

TECHNICAL DETAILS

  • Weight: 7.5 grams
  • Keypad dimensions: 70mm x 77mm x 1mm (2.75″ x 3″ x 0.035″)
  • Length of cable + connector: 85mm
  • 7-pin 0.1″ pitch connector

Specification

Processor

Display

RAM

Storage

Video Card

Connectivity

Features

Battery

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