On the number pad, I press "1" and it will register the number 3" and vice versa, however, the numbers in the center of the pad work normal, so It could be the Y or X axis are reversed. I attached a picture of the number pad to give a better illustration. I'm using a Kuman UNO R3 2.8 inch TFT and …

Number Pad's Numbers Flipped on Touchscreen

david_prentice October 4, 2017, 9:34pm 7

By running a Calibration sketch.

David.