4x3 Matrix Keypad

SKU
RC_R1700
In stock
Only 2 left
Rs 251.34 Rs 213.00
  • Ultra-thin design & adhesive backing provides easy integration to any project
  • Excellent price-performance ratio
  • Easy communication with any microcontroller
  • 5 pins 2.54mm pitch connector, 4×3 type 12 keys.
  • Sticker can peel off for adhesive mounting.
  • Used widely in industrial and home electronic equipments, instrument, etc.
  • This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed.

4x3 Matrix Keypad

This 4x3 matrix Keypad is high-quality soft touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. This DC 12V 4×3 Key Matrix Membrane Switch Keypad is a high-quality product at very low cost for your application needs.

This 12-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. The Keypad 4×3 features a total of 12 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 7-pin berg connector is require for interfacing it with your microcontroller circuits.

Package Includes:

  • 1 x 4x3 Matrix Keypad

Specifications

Voltage DC 35V
Operating Current 0.1A
Contact Resistance 500Ω
Dielectric Strength 250VRms
Dimensions  7 x 7 x 1cms 
Weight  25 grams
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How does a 4x3 keypad work?

The working principle is very simple. Pressing a button shorts one of the row lines to one of the column lines, allowing current to flow between them. For example, when key '4' is pressed, column 1 and row 2 are shorted. A microcontroller can scan these lines for a button-pressed state.

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