Reading from a 4×4 Keypad

The Keypad library allows your Arduino to read a matrix type keypad. 4×4 numeric keypads are most widely used in numerous mini project which requires the user or the operator to give command to the system or to feed in some data
keypad4x4arduino1

Wiring 4×4 Keypad with Arduino

To wire your 4×4 Keypad to your Arduino, connect the following pins:

  • Keypad Pin 1 –> Arduino Pin 9
  • Keypad Pin 2 –> Arduino Pin 8
  • Keypad Pin 3 –> Arduino Pin 7
  • Keypad Pin 4 –> Arduino Pin 6
  • Keypad Pin 5 –> Arduino Pin 5
  • Keypad Pin 6 –> Arduino Pin 4
  • Keypad Pin 7 –> Arduino Pin 3
  • Keypad Pin 8 –> Arduino Pin 2

Recommended Software

  • none

Instructions and Code

Posted in Arduino Tutorials Tagged with: , ,

Leave a Reply

Your email address will not be published. Required fields are marked *

*