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3x4 12 Button Membrane Numeric Keypad

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RRP: $3.95
$1.95
(You save $2.00)
SKU:
KPD-0000001
Weight:
0.11 Ounces
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 Product Description

Membrane 3x4 Matrix Keypad |3x4 12 Button Membrane Matrix Numeric Keypad for Arduino, Raspberry Pi - Breadboard Friendly!

Description:

This keypad has 12 keys laid out in telephone format. 

It's made of a thin, flexible membrane material with an adhesive backing. The keys are connected into a matrix, so you only need 7 micro-controller pins (3-columns and 4-rows) to scan through the pad. Includes header strip for easy attachment.  Can easily plug into a breadboard with some header pins (not supplied).

 

Use the Arduino Library for code.

 

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