Membrane 3x4 Matrix Keypad

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Membrane 3x4 Matrix Keypad

Membrane 3x4 Matrix Keypad


Mouser No:
485-419
Mfr. No:
419
Educational Kits Membrane 3x4 Matrix Keypad

$3.95

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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. Check the tutorials tab for links to an Arduino library and example code.

We include a 7 pin extra long header strip so you can plug this into a breadboard with ease. Check out our detailed guide with wiring diagrams, libraries and example sketches for all sorts of matrix keypads.

Membrane 3x4 Matrix Keypad
  • Product - Electromechanicals
  • Type - Input Devices
  • Brand - Adafruit
  • Manufacturer - Adafruit
  • Product Type - Educational Kits
  • Standard Pack Qty - 1
  • Subcategory - Supplies