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If you're driving a 4-phase stepper motor with your Arduino or other microcontroller, this ULN2003 driver board is exactly what you need.







5-piece set – multiple driver boards for multi-motor setups or spare units ULN2003 high-power chip – drives 4-phase stepper motors efficiently DC 5V operation – standard voltage for most microcontroller projects Four status LEDs – A, B, C, D indicators show motor phase activity Compact size – 1.

4.3 out of 5