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.

I build robots that move, blink, and sometimes even creep you out. From animatronics to 3D printing experiments, I fuse mechanics, electronics, and creativity to bring ideas to life. Follow to see ...

This tester revolves around an Adafruit 16-channel servo driver and an Arduino Uno. The servos show up on the screen in groups of four, and can be tested four at a time with the pots.

Arduino-to-breadboard wiring. Connect speaker leads, servo jumpers, and ground (Gnd) connection to the Arduino and breadboard. Connect servos and batteries.

If you are interested in building your very own full instructions on how to combine the Arduino CNC shield and Arduino code for controlling the to DC servo motors have been kindly published to the ...