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Matrix Keypad 4X3 12 buttons

The 4 x 3 Matrix Keyboard Module allows for the addition of a keypad module to your project or alike.

The keyboard has the numbers 0 – 9 as well as the * and # keys.

We also have a 4×4 version of this matrix keypad


SKU: OKY0272-3 Categories: ,

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Matrix Keypad 4X3 12 buttons

  • Keyframe made of engineering plastics
  • Buttons using moulding process craft. Words never fall off, never fade
  • Conductive rubber made of natural silicone.
  • wear-resistant, corrosion-resistant, anti-aging
  • Keyboard for the pin interface. 3 X 4 design, 10 numeric keys, 2 function keys.
  • The Circuit board is a PCB double-panel

Package Contents: 1 x keyboard module

This Matrix Keypad 4 X 3 has 12 buttons, arranged in a telephone-line 3×4 grid.

The keys are connected into a matrix, hence only 7 microcontroller pins (3-columns and 4-rows) are required to scan the pad.

  • Size: 70 mm x 77 mm x 1mm
  • Weight: 17gm

Development  Resources: demo codes, schematics, datasheets, etc

Reference for Arduino and reference to all matters

Ardunio from Wikipedia

Related Products

Membrane Matrix Keypad


1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angle and display monitor.

See Support Items


Matrix Keypad 4X3 12 buttons

SKU: OKY0272-3 Categories: ,


10 in stock

Title Range Discount
Qty Discount 5 + 5%
Qty Discount 10 + 7.5%

Product Applications

Matrix Keypad 4 X 3 12 buttons

Lets you quickly add controls to your electronics projects.

We Customize Just for You!!

Tempero Systems offers many custom IoT electronic design services to help tailor our product to your exact needs. Whether you are looking for custom firmware, circuit board modifications, metal enclosures, or industrial color printing, we can help you with a wide variety of design services.