5pcs A4988 Stepper Motor Driver Module, 35 V 2 A Output, 1/16 Microstepping, with Heatsink

Integrated A4988 Microstepping Control A4988 stepper motor driver module for bipolar motors; supports full, 1/2, 1/4, 1/8, and 1/16 microstepping; simple STEP and DIR pulse interface removes complex phase control; enables smooth and precise motion control with minimal firmware load; Wide Motor Voltage And Current Range Motor supply voltage up to 35 V DC; maximum output current up to 2.0 A with Rs value of 0.1 and proper cooling; low RDS on output stage improves efficiency; suitable for stable torque output in compact motion systems; Smart Current Decay Management Fixed offtime current regulation with automatic slow or mixed decay selection; mixed decay combines fast and slow current reduction; helps lower audible motor noise, improves microstep accuracy, and reduces heat during continuous operation; Comprehensive Protection Features Builtin thermal shutdown with hysteresis, undervoltage lockout, and crosscurrent protection; internal synchronous rectification lowers power loss during PWM operation; no special powerup sequence required, improving reliability during repeated restarts; Controller And System Compatibility Logic inputs compatible with 3.3 V and 5 V controllers; MS pins allow easy microstep selection; green PCB includes a heatsink for better thermal handling; compatible with for Arduinobased control boards used in printers and motion projects