To make your bracelet even more sparkly, add more LEDs. Add an LED (or more than one) in parallel to the one that’s on your project.


Add an LED to another tab on the LilyTiny to try out one of the other LED behaviors.


Experiment with other ways to extend your project. Can you add a switch to your project? Can you add an LED so that it behaves exactly the opposite of the first LED you added—when the first LED is on this LED is off and vice versa? This is an especially hard challenge. Hint: think about flipping the polarity of your LED.

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