I Built A 16 Channel Servo Tester With Arduino And 3D Printing. A simple idea turned into one of my most useful DIY tools.

[Guilherme Martins] rose to a challenge to build a robot with a single servo. His robot is a puppet controller, called talkie walkie. In real time, it will move its mouth to the sound of what you are ...

The piano has been around for a long time now. Not long after its invention, humans started contemplating how they could avoid playing it by getting a machine to do the job instead. [vicenzobit] is ...