Arduino started as software only, originally ... Arduino’s CLI 1.0 tool makes it easy for users to program and upload code via a command line interface that bypasses the Arduino IDE.

The Arduino software environment ... at least. When you build a program… Yes, it’s a “program” not a “sketch”, a “daughter board” not a “shield”, and a “linker” not ...

There's also a specialized MicroPython-based firmware and IDE called OpenMV for Arduino machine vision and learning applications. To program the software architecture of the Arduino board's ...