Matrix Keypad 4X3 12 buttons

Description:

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.

Dimensions:

• 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

• PIC HEX Pad Tutorial
• Arduino Instructable
• Arduino Keypad Library
• Bildr Example

Related Products

Membrane Matrix Keypad

Notes:

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.

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