hi i am trying to build a special type of metal detector called a constant 
current metal detector. i need to use 7 gpio's to and turn some on 
transistors and some off in a repeating pattern. i will show a table at the 
bottom to make things more easier understand what iam trying to do each of 
the 7 gpio's are responsible for turning on transistor or turning it off 
switch  s57,s58,s59,s60,s61,s62,s63 to s64 are each equivalent to one gpio 
all the logic states are repeated after the whole cycle has finished. as i 
see it i can look at it this way if i chose s57 which was gpio60 i would 
have to put a if statement so   it would not just turn the gpio60 on again 
before the first iteration had finished 

S57 S58 S59 S60 S61 S62 S63 S64 
onoffoffonn/aonn/aoff

onoffoffonn/aoffn/aon

offononoffonn/aoffn/a

offononoffoffn/aonn/a.
offoffononononoffoff
offoffonononoffoffon

offoffononoffononoff

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