check out the [IMSAI Guy]’s short video where he designs a very basic stepper motor controller and packs in a lot of quick lessons along the way. (Embedded below.) He first goes over the ...

Now that [lhartmann] has got an ESP8266 controlling the motors of a 3D ... That’s more than enough signals to run the stepper motors. And since it updates at 192 kHz sample rate, it’s plenty ...