Sketch RGB LED
dieser Sketch Sketch durchläuft das ganze Farbspektrum. Wie lässt sich die LED gezielt in einer Farbe leuchten?
dieser Sketch Sketch durchläuft das ganze Farbspektrum. Wie lässt sich die LED gezielt in einer Farbe leuchten?
/*
night light
fading through the colors of a rainbow
This example is part of the Fritzing Creator Kit: www.fritzing.org/creatorkit.
*/
int LEDGreen=9; // LEDGreen pin declared
int LEDBlue=10; // LEDBlue pin declared
int LEDRed=11; // LEDRed pin declared
void setup(){
pinMode(LEDRed,OUTPUT); // pin is output
pinMode(LEDGreen,OUTPUT); // pin is output
pinMode(LEDBlue,OUTPUT); // pin is output
}
void loop(){
for (int frame=0; frame<900; frame++){ // frame is counted up from 0 to 900
if (frame<150) { // if frame < 150 => red
analogWrite(LEDRed,255); // LED switched on
analogWrite(LEDBlue,0); // switch off LED
analogWrite(LEDGreen,0); // switch off LED
} else if (frame<300) { // if frame < 300
analogWrite(LEDRed,map(frame,150,300,255,0)); // fade off LED
analogWrite(LEDBlue,map(frame,150,300,0,255)); // fade on LED
analogWrite(LEDGreen,0); // switch off LED
} else if (frame<450) { // if frame < 450 => blue
analogWrite(LEDRed,0); // switch off LED
analogWrite(LEDBlue,255); // switch on LED
analogWrite(LEDGreen,0); // switch off LED
} else if (frame<600) { // if frame < 600
analogWrite(LEDRed,0); // switch off LED
analogWrite(LEDBlue,map(frame,450,600,255,0)); // fade off LED
analogWrite(LEDGreen,map(frame,450,600,0,255)); // fade on LED
} else if (frame<750) { // if frame < 750 => green
analogWrite(LEDRed,0); // switch off LED
analogWrite(LEDBlue,0); // switch off LED
analogWrite(LEDGreen,255); // switch off LED
} else if (frame<900) { // if frame < 900
analogWrite(LEDRed,map(frame,750,900,0,255)); // fade on LED
analogWrite(LEDBlue,0); // switch off LED
analogWrite(LEDGreen,map(frame,750,900,255,0)); // fade off LED
}
delay(10); // short break
}
}