Mechaduino is a board that sits on a regular stepper motor and turns it into a servo with a closed loop control of 0.1degree ... they’ve promised. he Arduino-sounding bit of the name comes ...

[Neumi] over on Hackaday.IO wanted a simple-to-use way to drive stepper motors ... to the unit. Control is performed with the ubiquitous ATMega328 microcontroller, with the Arduino software ...