Delete ToggleSlow.ino
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#define pinNum 9
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//int pinNum = 9; //for regular digitalWrite(), does matter constant or variable
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//const int pinNum = 9; //this is a constant
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void setup() {
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pinMode(pinNum, OUTPUT);
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}
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void loop() {
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//digitalWrite is so slow that , you don't actually need to toggle multiple times in 1 loop
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// because digitalWrite takes 6280ns but to return to the start of loop takes only 600ns.
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// this only makes a big deal when using digitalWriteFast(pinNum, state);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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digitalWrite(pinNum, HIGH);
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digitalWrite(pinNum, LOW);
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}
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