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  • What have you done to try to understand the problem? Put some debug prints in, see where it's going wrong. Commented Apr 19, 2018 at 14:03
  • I have outputted the button states as well as the button state right before it checks the sequence along with the seq. In the serial monitor it will say button3 = 1 when I have not pressed any buttons since the start of the program. Commented Apr 19, 2018 at 14:25
  • the buttons in schema have pull-down resistors Commented Apr 19, 2018 at 18:49
  • That was one of the things I was thinking could be wrong since I declare the pinModes with INPUT_PULLUP. Should I instead just use INPUT? Or would it be more efficient to not have the pull down resistors? Commented Apr 19, 2018 at 18:55