A4988 Stepper Motor Driver Module

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  • Supports full-step, half-step, and microstepping modes

  • Adjustable current limiting via onboard potentiometer

  • Built-in thermal shutdown and overcurrent protection

  • Compatible with common stepper motors (e.g., NEMA 17)

  • Simple STEP and DIR interface for microcontrollers

  • Compact design ideal for embedded systems

  • Low heat generation with efficient operation

  • Drop-in compatible with many popular driver boards