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SOLVED! page 40 (Listing 2-5) - "if (last != current)". I understand the use of the function but I cannot figure out where the program is finding the "last" from. I can see conceptually where the last value is coming from but I cannot figure out from a program standpoint how it is getting this value. Is "last" a keyword in arduino because other than the function itself I don't see it ever defined. Obviously the program understands it so it is clearly only me!! Sorry if this is not the right place to put such comments.
The text was updated successfully, but these errors were encountered:
SOLVED! page 40 (Listing 2-5) - "if (last != current)". I understand the use of the function but I cannot figure out where the program is finding the "last" from. I can see conceptually where the last value is coming from but I cannot figure out from a program standpoint how it is getting this value. Is "last" a keyword in arduino because other than the function itself I don't see it ever defined. Obviously the program understands it so it is clearly only me!! Sorry if this is not the right place to put such comments.
The text was updated successfully, but these errors were encountered: