It is very plug-and-play. As I dig into my latest project, the lessons I learned back then are coming back to me. Here are 7 tips for driving an Arduino LCD display, like one with 2×20 or 4×20 characters. 1. Buffer the Arduino LCD Display. One approach I see many people try with a character LCD is letting their code directly print to the display.
Debugging Arduino application is a challenging task as the debugging feature has not been officially supported in Arduino IDE. Many modern IDEs have debug support that developers are used to, using Breakpoints, Steps, Call Stack, Watch, Local/Global Variables, etc. Arduino developers often have to explore many alternative methods and tools to debug Arduino code.