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pololu Pololu DRV8825 Stepper Driver
1/32 microstepping, higher voltage than A4988 (good for fast NEMA17 moves). Pin-compatible with A4988 boards but the Vref formula is different — Vref = 1.0 * I_max, not 0.5.
Specifications
- interface type
- step_dir
- voltage range v
- 8.2-45
- current amps
- 2.2
Sources
- SparkFun open product catalog · ingest 2026-05-06