There is no better way to learn electronics than building and programming your own things. The LED Gyro Sphere project is all about building a 3D printed LED sphere with Arduino and multiple sensors. It also features 130 independently controlled LEDs. It has a working audio VU function and reacts to sound in your room.
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You are going to need a Teensy 3.6, MPU 6050 6 axis controller, microphone, 4400 mAh battery, and a few other parts to complete this project. More info is available here.
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