4x4 Membrane Matrix Keypad Module

$2.40
Availability: 443 items
SKU
KPD-01-008
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Description 
A keypad is a set of buttons arranged in a block or "pad" which bear digits, symbols or alphabetical letters. Pads mostly containing numbers are called a numeric keypad.
Punch in your secret key into this numeric matrix keypad. This keypad has 16 buttons, arranged in a telephone-line 4x4 grid. The keys are connected into a matrix, so you only need 8 microcontroller pins (4-columns and 4-rows) to scan through the pad. It offers 0-9 numerals, A-D letters, and standard star(*) and hash(#) symbols.
4X4 KEYPAD MODULES are available in different sizes and shapes. But they all have the same pin configuration. It is easy to make 4X4 KEYPAD by arranging 16 buttons in matrix formation by yourself.

Features
Channel: 16 Channel
Pin Number: 10 Pins
Size: 66mm x 64mm

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