Full step ino
Half step ino
Schematics, board and
working files for Step Two
Reference designs are provided “as it is” and “with all faults and bugs”,
nevertheless AAC was checking them. AAC disclaims any warranty, expressed or implicit, regarding products obtained with those reference designs. AAC keeps the right to change at any time and without any notice the reference designs.

"RD_1: step bipolar motor drive shield for Arduino"
PCB ready in a few minutes!!! :D
Buy this PCB for 10€ + shipping
Buy this Arduino Uno module for 35€ +
"Reference designs" realized with Step Two