It’s fair to say that building electronic gadgets is easier now than it ever has been in the past. With low-cost modular components, there’s often just a couple dozen lines of code and a few ...

These are basically a stepper ... a motor driver circuit before stepping back and making some calculations. We covered one such project back in 2014 and wrote about a Hackaday.io magnetic robot ...

The project uses an Arduino Uno R3, Arduino Mega 2560, Arduino CNC Shield V3 GRBL, Stepper Motor Driver A4988 and Arduino L293D Motor Shield together with a couple of wooden wine boxes to create a ...