Open the Arduino IDE on your computer. Write or paste the provided program into the IDE. Select the correct board and port in the Arduino IDE under the Tools menu. Upload the program to the Arduino.

The LCD has to be compatible with the LiquidCrystal library. If you have a smaller one like 16x2 you can edit the program to make it display less information. I used an Arduino clone called "Pro Micro ...

To build this project, all you need is three main components: an Arduino Uno, a 16x2 LCD, and a push button. You can connect everything to a breadboard to keep it simple.