Hi, Ricky
I already see some smoke from my location ...
you'd better tell us what reference is your LED ( or where it comes from: link , please ! ).
negative triggering means triggering with a +5v - 0 v - 5v pulse ...
... my two cents.
Alain
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Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
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IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
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