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When Is an Arduino Not an Arduino?
The Arduino team did a great job in making the IDE modular so that they could easily add new boards to the system. This means it is possible to add software to support non-Arduino boards to the system and then program them with the Arduino IDE using the same commands.
Not only can you use ready-made boards such as those shown in Figure 3-1, but you can also use the Arduino IDE to program bare microcontroller chips (that are different models than those used on Arduino boards) for your projects.
Figure 3-1 From left to right: Trinket m0, Circuit Playground Express, Wemos D1 Mini, LOLIN32, and NodeMCU.
The ...
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