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4×4 Matrix Membrane Keypad

25.00

This Matrix Keypad 4 X 4 has 16 buttons, arranged in a telephone-line 3×4 grid with a column of 4 characters (A, B, C, and D). The keys are connected into a matrix, hence only 8 microcontroller pins (4-columns and 4-rows) are required to scan the pad.

This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.

4 in stock

Description

Features:

  • 5 pins 2.54mm pitch connector, 4x 4type 16 keys.
  • Ultra-thin design & adhesive backing provides easy integration to any project.
  • This allows a microcontroller to ‘scan’ the 8 output pins to see which of the 16 buttons is being pressed.
  • Excellent price-performance ratio.
  • Easy communication with any microcontroller.
  • The sticker can peel off for adhesive mounting.
  • Used widely in industrial and home electronic equipment, instrument, etc.

Application:

  • Arduino projects
  • Security systems.
  • Menu selection.
  • Data entry for embedded systems.

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