I think I understand this and what power supply i need to purchase, but would like someone to look over my idea. Gear: NEMA17 SY42STH33-1504A stepper motor rated for 2.8V 1.5A (datasheet) Chinese a4988 driver (R100 sense resistors) 12V 30A Power Supply Arduino Mega Measurements (when driver is …

Choosing the correct power supply for my stepper motor (and other questions)

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