There is no better way to learn robotics and electronics than building and programming your own bots. Will Donaldson has shared a guide that shows you how to build your own 3D printed robotic arm based on Arduino Uno.
DIY Robotic Arm 3D Printed (an Initial Prosthetic Prototype)
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To complete this, you are going to need PLA/ABS filament, a 3D printer, 8 SG90 servos, battery, 1 x Arduino Uno, and a few other components. The above video shows this robotic arm in action.
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