BIQU A4988 Compatible StepStick Stepper Motor Diver Module with Heat Sink for 3D Printer Controller Ramps 1.4(Pack of 5pcs)
<p><b><br/>Specifications:</b> <br/>Size: <br/>A4988:20*15*11mm(LWH) <br/>Heat Sink: 9*9*5mm(LWH) <br/>Weight: 0.8ounces <br/>Color: Green</p> <p><b><br/>Features:</b> <br/>-Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay) <br/>-Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection <br/>-Automatic current decay mode detection / selection <br/>-Internal UVLO <br/>-Mixed with slow current decay modes <br/>-Synchronous rectification for low power dissipation <br/>-Crossover-current protection <br/>-Thermal shutdown circuitry <br/>-3.3 and 5 V compatible logic supply <br/>-Thermal shutdown circuitry <br/>-Ground Fault Circuit <br/>-Load short-circuit protection <br/>-Of five optional step mode: full, 1/2, 1/4, 1/8 and 1/16 </p> <p><b><br/>Package Included:</b> <br/>5*A4988 StepStick Stepper Motor Diver Module <br/>5*Heat Sink</p>