//
int ledcolor = 0;
int a = 1000; //this sets how long the stays one color for
int red = 11; //this sets the red led pin
int green = 12; //this sets the green led pin
int blue = 13; //this sets the blue led pin
void setup() { //this sets the output pins
pinMode(red, OUTPUT);
pinMode(green, OUTPUT);
pinMode(blue, OUTPUT);
}
void loop() {
int ledcolor = random(7); //this randomly selects a number between 0 and 6
switch (ledcolor) {
case 0: //if ledcolor equals 0 then the led will turn red
analogWrite(red, 204);
delay(a);
analogWrite(red, 0);
break;
case 1: //if ledcolor equals 1 then the led will turn green
digitalWrite(green, HIGH);
delay(a);
digitalWrite(green, LOW);
break;
case 2: //if ledcolor equals 2 then the led will turn blue
digitalWrite(blue, HIGH);
delay(a);
digitalWrite(blue, LOW);
break;
case 3: //if ledcolor equals 3 then the led will turn yellow
analogWrite(red, 160);
digitalWrite(green, HIGH);
delay(a);
analogWrite(red, 0);
digitalWrite(green, LOW);
break;
case 4: //if ledcolor equals 4 then the led will turn cyan
analogWrite(red, 168);
digitalWrite(blue, HIGH);
delay(a);
analogWrite(red, 0);
digitalWrite(blue, LOW);
break;
case 5: //if ledcolor equals 5 then the led will turn magenta
digitalWrite(green, HIGH);
digitalWrite(blue, HIGH);
delay(a);
digitalWrite(green, LOW);
digitalWrite(blue, LOW);
break;
case 6: //if ledcolor equals 6 then the led will turn white
analogWrite(red, 100);
digitalWrite(green, HIGH);
digitalWrite(blue, HIGH);
delay(a);
analogWrite(red, 0);
digitalWrite(green, LOW);
digitalWrite(blue, LOW);
break;
}
}
