Im real new at this I just bought a black box with the power supply 24v meanwell Im using nema 17 stepper motors Is it ok or it has to be 12v ??
BB can only be connected to 24V. NEMA17s from the OB store are fine. You'll probably have to adjust the current on the motor drivers down using the trim pots on the side of the BB NEMA17: OpenBuilds BlackBox 4X Documentation Current adjust: OpenBuilds BlackBox 4X Documentation