OLED 2 button set point freezing constantly

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i have put simple oled display adjustable set point using 2 push buttons use internal pull resistors.

the issue have operate 10-20 seconds screen "freeze" on set point at.

i haven't yet added code view serial monitor see if it's display or arduino hoping there may suggestions or others have encountered before?

i thinking of setting push buttons external pull resistors not entirely sure of benefit in if far reliability goes.

any suggestions great. thinking starting point serial print button states verify display fault.

hi,
code , circuit diagram help.
what using power project.
have checked supply voltage problem occurs?

links oled spec/data , model arduino using?

thanks.. tom... :)


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