> The Arduino has 2 KB of RAM That is Arduino "Uno", not Arduino itself. Arduino now refers a platform and an ecosystem for quick microcontroller prototyping.

> The Arduino has 2 KB of RAM That is Arduino "Uno", not Arduino itself. Arduino now refers a platform and an ecosystem for quick microcontroller prototyping. Almost every popular microcontrollers has arduino API support (either officially or by community). So the term "Arduino" sounds as "microcontrollers" to me.