Great, except 2, 4 and 7 aren't PWM pins on an UNO and they won't fade. 3, 5, 6, 9, 10, 11 would be a better choice if you have an UNO.
Great, except 2, 4 and 7 aren't PWM pins on an UNO and they won't fade. 3, 5, 6, 9, 10, 11 would be a better choice if you have an UNO.