He built a servo tester and demonstrator based on an Arduino, and went the extra mile to give it a good UI and a bunch of functionality.

From there, it’s really just a matter of printing the claw, connecting it to a 9g servo, and using an accompanying kit to prepare the skin and connect the muscles to the Arduino.

Thanks to the inclusion of an Arduino Nano Servo shield and EasyVR3 Voice recognition module. Watch this video on YouTube.