An Arduino Nano is the heart of the build, paired with a shield that lets it run a number of servo motors. The servos, one per key, are each assembled into a 3D-printed bracket with a cam-driven ...

SunFounder’s newest robotics learning kit, the SunFounder Nano DIY 4-DOF Robot Kit, lets you do build and program your own robots and will basically make all your childhood dreams come true. No ...