The Arduino source for this can be found on the project GitHub. Whilst [Frank] mentions that this assembly has a weight and torque advantage over a NEMA 17 sized stepper motor, ...

TMC2209 Stepper Motor Control Overview. Stepper motors are commonly used in automation due to their ability to move in precise, discrete steps. However, to drive them efficiently, we need a motor ...

At it’s heart, it’s a straightforward design, using a linear rail and a leadscrew driven by a stepper motor. Control is via an Arduino Nano, with a few push buttons and a 16 x 2 LCD display ...