There is no better way to learn about robots than building your own. Fritz is an animatronic robot head you can build to show emotion, sing, and do a whole lot more. It has a changeable base plate, so you can customize it for every occasions.
More gadgets like this: here
You are going to need an Arduino (UNO or MEGA), servo motors, ultrasonic sensor, LED, and other components. You can find out more about this robotic puppet here.
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