Macchina per incisione CNC Shield V3 4988 scheda di espansione driver stampante 3D fai da te
This expansion board can be used as a driver expansion board for engraving machines, 3D printers, etc., and has a total of 4 slots for stepper motor driver modules. UNO----------expansion board. pinMode(X_DIR, OUTPUT); pinMode(X_STP, OUTPUT);.