basic expandable LED sequencer code

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is there / or have basic expandable led sequencer doen't use delays?

i learning not learning arduino....lol :smiley-eek:


i want @ once...

i need non-delayed 4 led sequencer

ie

o
o
  o
   o
o
o
  o
   o
etc oblivion

see "blink without delay" sketch. search other similar posts.

http://www.gammon.com.au/blink


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