const int analogOutPinRed = 11;
const int analogOutPinGreen = 10;
const int analogOutPinBlue = 9;
void setup() {
Serial.begin(9600);
}
void loop() {
int outputValueRed = 255;
int outputValueGreen = 255;
int outputValueBlue = 255;
for(int i=255;i>0;i=i-1){
outputValueRed = i;
analogWrite(analogOutPinRed, outputValueRed);
analogWrite(analogOutPinGreen, outputValueGreen);
analogWrite(analogOutPinBlue, outputValueBlue);
Serial.print("RED : ");
Serial.println(outputValueRed);
}
for(int i=0;i<256;i++){
outputValueRed = i;
analogWrite(analogOutPinRed, outputValueRed);
analogWrite(analogOutPinGreen, outputValueGreen);
analogWrite(analogOutPinBlue, outputValueBlue);
Serial.print("RED : ");
Serial.println(outputValueRed);
}
/* ================================================= */
for(int j=255;j>0;j=j-1){
outputValueGreen = j;
analogWrite(analogOutPinRed, outputValueRed);
analogWrite(analogOutPinGreen, outputValueGreen);
analogWrite(analogOutPinBlue, outputValueBlue);
Serial.print("Green : ");
Serial.println(outputValueGreen);
}
for(int j=0;j<256;j++){
outputValueGreen = j;
analogWrite(analogOutPinRed, outputValueRed);
analogWrite(analogOutPinGreen, outputValueGreen);
analogWrite(analogOutPinBlue, outputValueBlue);
Serial.print("Green : ");
Serial.println(outputValueGreen);
}
/* =========================================== */
for(int k=255;k>0;k=k-1){
outputValueBlue = k;
analogWrite(analogOutPinRed, outputValueRed);
analogWrite(analogOutPinGreen, outputValueGreen);
analogWrite(analogOutPinBlue, outputValueBlue);
Serial.print("Blue : ");
Serial.println(outputValueBlue);
}
for(int k=0;k<256;k++){
outputValueBlue = k;
analogWrite(analogOutPinRed, outputValueRed);
analogWrite(analogOutPinGreen, outputValueGreen);
analogWrite(analogOutPinBlue, outputValueBlue);
Serial.print("Blue : ");
Serial.println(outputValueBlue);
}
}
http://wiki.vctec.co.kr/opensource/arduino/rgbled
여기도 참조하자.