Arduino from the Command Line: Break Free from the GUI with Git and Vim!

Love Arduino but hate the GUI? Try arduino-cli.

In this article, I explore a new tool released by the Arduino team
that can free you from the existing Java-based Arduino graphical user
interface. This allows developers to use their preferred tools and
workflow. And perhaps more important, it’ll enable easier and deeper
innovation into the Arduino toolchain itself.

The Good-Old Days

When I started building hobby electronics projects with microprocessors in
the 1990s, the process entailed a discrete processor, RAM, ROM and masses of glue logic
chips connected together using a point-to-point or “wire wrapping”
technique. (Look it up kids!) Programs were stored on glass-windowed
EPROM chips that needed to be erased under UV light. All the tools were
expensive and difficult to use, and development cycles were very slow.
Figures 1–3 show some examples of my mid-1990s
microprocessor
projects with discrete CPU, RAM and ROM. Note: no Flash, no I/O, no DACs,
no ADCs, no timers—all that means more chips!


Figure 1. Example Mid-1990s Microprocessor


Figure 2. Example Mid-1990s Microprocessor


Figure 3. Example Mid-1990s Microprocessor

It all changed in 2003 with Arduino.

The word “Arduino” often invokes a wide range of opinions and
sometimes emotion. For many, it represents a very low bar to entry into the
world of microcontrollers. This world before 2003 often required costly,
obscure and closed-source development tools. Arduino has been a great
equalizer, blowing the doors off the walled garden. Arduino now represents
a huge ecosystem of hardware that speaks a (mostly) common language and
eases transition from one hardware platform to another. Today, if you
are a company that sells microcontrollers, it’s in your best interest to
get your dev boards working with Arduino. It offers a low-friction path
to getting your products into lots of hands quickly.

It’s also important to note that Arduino’s simplicity does not inhibit
digging deep into the microcontroller. Nothing stops you from directly
twiddling registers and using advanced features. It does, however, decrease
your portability between boards.

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