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Sealed Membrane 4X4 Button Pad with Sticker

Sealed Membrane 4X4 Button Pad with Sticker

 Description: Sealed Membrane 4X4 button pad with sticker. Add a keypad interface to your next project. It's...
Rs 125

4
By Paulsin Polachan on
I have made a simple technique to connect a 4*4 button pad to arduino using four digital pins of arduino instead of 8. Read more at :

http://www.haberocean.com/2015/05/circuit-for-44-button-keypad-using-74165-and-74595-part-1/
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