MybotOnline A4988 Stepper StepStick Motor Driver Module 3.3-5V with Heat Sink for 3D Printer Reprap 5 Pack

Package List: 5x A4988 StepStick Stepper Motor Diver Module 5x Heat Sink Specifications: *1. Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay) *2. Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection *3. Automatic current decay mode detection / selection *4. Internal UVLO *5. Mixed with slow current decay modes *6. Synchronous rectification for low power dissipation *7. Crossover-current protection *8. Thermal shutdown circuitry *9. 3.3 and 5 V compatible logic supply *10. Thermal shutdown circuitry *11. Ground Fault Circuit *12. Load short-circuit protection