If you’re someone like [eNBeWe], you grab a stepper motor with driver module you had lying around gathering dust, an ESP8266 for the brains and a few other pieces to build your very own auto ...
Now that [lhartmann] has got an ESP8266 controlling the motors of a ... That’s more than enough signals to run the stepper motors. And since it updates at 192 kHz sample rate, it’s plenty ...