Good morning... I am using Arduino mega, Arduino wifi shield and a keypad. When I connect the keypad to Arduino, it function properly. However, when I add the wifi shield, the middle column (2,5,8) does not give correct values. I am getting (1,4,7) instead go (2,5,8) I am using this connection …

Wifi Sheild Arduino plus keypad

FutureEngineer April 13, 2018, 7:36am 6

I changed pin 7 to pin 9, now it's working.

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