There is no better way to learn electronics that building your own things. Fairy Lantern is a fun Arduino project with petals that open and close to simulate blooming. It comes with a color-changing LED light. You can interact with it via Bluetooth. LilyT7 has shared the instructions for this project here. You are going to need a motor, Bluetooth module, Arduino, electrical tape, and a few other parts to put this together.
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