[Neumi] over on Hackaday.IO wanted a simple-to-use way to drive stepper motors, which could be quickly deployed in a wide variety of applications yet to be determined. The solution is named Ethersweep ...
Download the codes here Arduino simple shield potentiometer code: Arduino shield rc car: Arduino nano module L298P code: ...
Eventually all music will be made this way: a 24-volt power supply, an Arduino board, and three stepper motors. In fact Akon is actually a simple stepper motor attached to a Vocoder and Pro Tools.