After having saved a newly named version of a slightly altered sketch that properly compiled, the newly saved version no longer compiles, and the bad lines are exactly the same as the previous version, The error is "expected unqualified - id before numerical constant" The program starts out by cal…

Strange compiler error

system April 6, 2014, 4:37pm 8

Another thing is you've got two virtually identical ping functions.
Give one of them parameters for the pins, and lose the other one.

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