The Arduino source for this can be found on the ... of a larger goal to make a complete 3D printer based around these ‘DC motor stepper motors’ which we will watch with interest.

Seeing this Toshiba motor drive, my first thought was ‘what a neat chip for pairing with an Arduino’ as it combines operation across 1.8 to 7V with up to 4A drive – so that is Li-ion batteries, 5V USB ...