But what if there was a way to bridge that gap? This robot arm guide offers a guide to building a mini robotic arm using Arduino, complete with 3D-printed parts and easy-to-follow instructions.

Learn how to build your own desktop fully functional robot arm powered by Arduino hardware and assembled using 3D printed parts.

Alternatively, if you want to see how this voice-controlled robot helped return the life of this attenuated aerospace engineer back to normality, watch the video below.

People can learn to control a robotic third arm using their eyes and chest muscles. Such extra limbs could become essential tools for surgeons or people working in industrial jobs, say researchers.