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Circuit Diagram of Interfacing Membrane Keypad with Arduino Uno. Connection of Arduino with 4x4 keypad is quite simple. Connect the 4 columns of the keypad to digital pins 4, 5, 6, and 7 on the ...

Arduino (any Arduino will do). Keypad (it can be 4x4 or 4x3. I have used a 4x4 keypad). Processing Software. Keypad library; Here are the links if you don't have the software. Arduino IDE, Processing.

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI ...

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one.