Hi there, I am re-building the project I did some years ago. This time it will be much simpler (or so I thought). I am using: Arduino DUE, Data logging shield + SD, 4x4 Keypad (from a phone, but it seems to work fine). It will be a phone-like experience (I have an amp and speaker ready). When I c…

Good suggestions! I just checked the thread - I thought we found the solution! BUT...No. I've bend 11-13 pins to be disconnected from DUE - same result. When connecting the keypad to DUE in any of the ways without the Data shield - works perfectly! EDIT: OK, I just connected the keypad to pins 3…

Arduino DUE + Data logging shield won't work with keypad

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anon57585045 August 27, 2021, 9:02pm 15

Does the DUE even have SPI on pins 11-13? I think no.

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Arduino DUE + Data logging shield won't work with keypad

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