int i=0; void setup() { pinMode(5, OUTPUT); pinMode(6, OUTPUT); pinMode(9, OUTPUT); } void loop() { while (i<250){ analogWrite(5, i); delay(100); i=i+10; } i=0; while (i<250){ analogWrite(9, i); analogWrite(5, (250-i)); delay(100); i=i+10; } i=0; while (i<250){ analogWrite(6, i); analogWrite(9, (250-i)); delay(100); i=i+10; } i=0; while (i<250){ analogWrite(5, i); analogWrite(6, (250-i)); delay(100); i=i+10; } i=0; }