4x4 Keypad Arduino Pinout

How to use a 4x4 membrane keypad with Arduino.

In this tutorial I show how to interface a 4x4 keypad matrix with Arduino. Subscribe to my channel: https://bit.ly/2LiMpF0 Also important: Password based security system using 4X4 keypad and Arduino: https://youtu.be/XJYV0xfG68A ======Recommended products from Amazon :======== Adafruit Membrane 4x4 Matrix Keypad: https://amzn.to/32KPaCX For the ...

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