void setup(){ Serial.begin(9600); pinMode(supfanled, OUTPUT); // supply fan led o/p digitalWrite(supfanled, HIGH); // turn on pullup resistors hi just stumbled upon internal pull up r's, is this the correct place (setup) to define the internal pull up r's? thank you

internal pull up r's

nickgammon April 20, 2012, 8:59am 8

What's INPUT_PULLUP when it's at home? Wouldn't PULLUP be better?

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