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The Arduino UNO (Figure 1) is the latest version of the basic Arduino board, and you need one of these to follow this article (see Resources for the UNO's detailed specifications).

The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

Requisite hardware setup is very simple: just verify and upload the below sketch to Arduino Uno and that’s all! The sketch enables Arduino to receive instructions (which will actually be in ASCII) ...