Mechaduino is a board that sits on a regular stepper motor and turns it into a servo with a closed loop control of 0.1degree ... they’ve promised. he Arduino-sounding bit of the name comes ...

creating a 3D printed closed-loop test stand with load cell and Arduino. Like other PCB motors it produces very little torque, roughly 2% of a typical NEMA17 stepper motor. Even so, the ...