The purple boards slotted into the pairs of SIL headers are Pololu Stepper motor drivers ... (two for each axis), spindle and coolant control, as well as three buttons for pause, resume, and ...

Once his son showed him an Arduino, though ... which he controls with a Polulu Qik serial DC motor controller. In compass steering mode, a Pololu IMU locks in the heading to steer (HTS).

ClearCore CLCR-4-13 is an industrial IO and motion controller that can be programmed using the Arduino IDE. It handles up to four axes of step-and-direction motion control (500kHz max step rate), and ...