Matrix Keyboard 4 X 4 16 buttons

Description:

Matrix Keyboard 4 X 4 16 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. 4 X 4 design, 10 numeric keys, 6 function keys.
• Circuit board is PCB double-panel

Dimensions:

• Size: 69 mm x 65 mm x 9.8 mm
• Weight: 22 gm

This Matrix Keyboard 4 X 4 has 16 buttons arranged in a telephone-line 4 x 4 grid.

The keys are connected into a matrix, hence only 8 microcontroller pins ( 4-columns and 4-rows ) are required to scan the pad.

Development  Resources: demo codes, schematics, datasheets, etc

Reference for Arduino and reference to all matters

Resources:

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

Ardunio from Wikipedia

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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