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. The buttons ...

That’s the idea behind [Upside Down Labs]’ muscle-controlled servo claw game ... the brains behind this operation is an Arduino Uno with a Muscle BioAmp shield stacked on top, which [Upside ...