What is the primary purpose of Arduino's digital and analog input/output (I/O) pins?
Power supply
Data storage
Interfacing with expansion boards
Display output
Answer
Arduino boards are equipped with sets of digital and analog input/output (I/O) pins that are primarily used for interfacing with various expansion boards (shields) or breadboards (for prototyping) and other circuits. This allows users to create custom devices and interactive objects.
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