Since you can't connect the led's directly to the Arduino you will need resistors!!
int redpin = 11; // select the pin for the red LED int bluepin = 10; // select the pin for the blue LED int greenpin = 9; // select the pin for the green LED int val=0; void setup () { pinMode (redpin, OUTPUT); pinMode (bluepin, OUTPUT); pinMode (greenpin, OUTPUT); Serial.begin (9600); } void loop () { for (val=255; val>0; val--) { analogWrite (redpin, val); analogWrite (bluepin, 255-val); analogWrite (greenpin, 128-val); delay (1); } for (val = 0; val <255; val++) { analogWrite (redpin, val); analogWrite (bluepin, 255-val); analogWrite (greenpin, 128-val); delay (1); } Serial.println (val, DEC); }
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