The menu code is simple to modify and implement ... This suits the commonly available Arduino shields which combine a 16×2 character LCD with a set of four tactile buttons in a cross formation.

One of the limitations of the small 8 bit microcontrollers like the Atmel ATMega family adopted by the Arduino board ... including the alphanumeric LCD ready to use can be found on the Balearic ...

To link a standard 16×2 LCD directly with the microcontroller, for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you ...

It can run on the Uno, Nano, Pro Micro, or even home-brew Arduino boards. He’s demonstrating the program with a Nokia 5110 LCD, but has also included code for the typical 2×16 LCD displays.