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Numerical Keypad

Brand: LinkSprite
$6.88
SKU:
SOFT_KEYPAD_XF3
Weight:
0.01 LBS
Shipping:
Calculated at checkout
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Product Description

In the Arduino application system, a keypad is one of the indispensable components for human-computer interface. When the IO resources are rare, we would prefer to use a matrix keypad.

 

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Internal structure:

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