10Pcs A4988 Stepstick Stepper Motor Driver Module With Heat Sink For 3D2485

Wide Application A4988 Stepper Motor Driver Module is Compatible With Stepper Motor/ 3D Printer/ CNC/ Engraving Machine/ Supported 3D Printer and etc. Specifications: Low RDS (ON) Outputs Automatic Current Decay Mode Detection / Selection Synchronous Rectification for Low Power Dissipation Crossover-Current Protection A4988 Stepper Motor Driver Module Features: Thermal Shutdown Circuitry 3.3 and 5V Compatible Logic Supply Five Optional Step Mode: Full, 1/2, 1/4, 1/8 and 1/16 Background Fault Circuit Mixed With Slow Current Decay Mode Connecting or Disconnecting a Stepper Motor While the Driver is Powered Will Destroy the Driver. (More Generally, Rewiring Anything While it is Powered is Asking for Trouble.) Output Drive Capacity of Up to 35V and±1.2A Intelligent Chopping Control that Automatically Selects the Correct Current Decay Mode (Fast Decay or Slow Decay)