"Bitbanging a stepper since 9/25/2021!" Hope that this code is simple enough, and clear enough that anyone can grok it.. This is a work in progress that currently provides demo code rotating a ...

This GRBL uses an ugly hack to control two motors unipolar steps as 28byj-48 and also supports a servo motor on pin 11 The motors (28byj-48) are connected to a controller card that uses the chip ...

Proving that astrophotography doesn’t have to break the bank, [Gerald Gattringer] has recently documented his DIY “barn door” style star tracker which is built almost entirely from scratch. Short of ...