Today marks the summer solstice, the longest day of the year and the start of astronomical summer in the Northern Hemisphere. This doesn’t really have much to do with hacking hardware or building ...

It’s little secret that stepper motors are everywhere in FDM 3D printers, but there’s no real reason why you cannot take another type of DC motor like a brushless DC (BLDC) motor and use that instead.

The clear side cover of the AR4 MK5. The internal cooling fan, Teensy 4.1 board, and wiring are neatly visible. You can feel the designer's attention to detail in this beauty. 1. A 6-axis robot arm on ...