Electric Motors / Mounts & Accessories / ControlsDescription:Type: A4988 StepStick Stepper Motor Driver ModuleOutput Drive Capacity: Up to 35V and +/- 2A Logic Supply: 3.3V, 5V5 Optional Subdivision: Full, 1/2, 1/4, 1/8 and 1/16Crossover-Current Protection: YESOverheat Shutdown Circuit Protection: YESGround Connection Short-Circuit Protection: YESLoad Short-Circuit Protection: YESCrossover-Current protection: YES Electric Motors / Mounts & Accessories / Controls 1/5pcs A4988 Driver Board 3D Printer Accessories Ramps 1.4 Stepper Motor with Heat Sink Model ACYTAM Brand Name ACYTAM Part Number ACYTAM Manufacturer ACYTAM