I had read a lot of arduino programs/ Textbook, they usually declare the pin by using "int", such as "int ledPin = 11;" I wonder that using int(-32768 to 32767) to declare pin cost 2 bytes of memory; but using byte(0 to 255) to declare pin only cost 1 byte of memory. Why people always using int f…

Curious about pin declare...

afremont May 4, 2013, 2:27pm 6

Is there something wrong with #define vs. const? Why waste the storage space?

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