Edit Arduino sketches in Visual Studio Code, compile and upload with Arduino CLI via tasks.json, watch serial in the terminal, and keep IDE 2 for Plotter if you want it.
What live debugging in Arduino IDE 2 is, which boards can pause on a breakpoint, why a classic Uno cannot over its USB-serial chip, and when Serial prints are still the right tool.
What Arduino PLC IDE is, how it differs from Arduino IDE 2, what IEC 61131-3 languages and a scan cycle are, which hardware it supports (Opta and Portenta Machine Control), licenses, Modbus and CAN, and who should download it.
Arduino IDE 2 is a window on top of Arduino CLI. This compares when to click and when to type: Serial Plotter, autocomplete, scripts, VS Code, and shared cores.
How Arduino IDE 2 suggests function names and jumps to definitions, why a board must be selected first, what to do when the language server is silent, and how this differs from IDE 1.8.
The Arduino CLI commands used every week: board list, cores, libraries, compile, upload, and serial monitor, with FQBN and Windows COM ports spelled out.
