Hi, I've followed the tutorial on http://www.arduino.cc/en/Tutorial/ShiftOut , and have the 2 74HC595s set up just like in the tutorial. However, I'm having difficulty figuring out how to control the lights on the 2nd set of lights. I tried to just send out the shift out command twice, so the first…

74HC595 shifting to second chip

nickgammon March 17, 2012, 1:42am 2

Personally I used SPI rather than shiftOut. See here:

In what way didn't it work? Did the first set of lights change but not the second?

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