In this project we will build our own Arduino based calculator where the values can be sent in through a keypad (4×4 keypad) and result can be viewed on a LCD screen (16×2 Dot-matrix).

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 ...

Sketch that allows the End user to create a PIN Lock System in Arduino with an LCD and Keypad ...