A4988 Stepper Motor Driver Module With HeatSink Stepstick Like DRV8825 Compatible With Ramps 1.4 3D Printer Parts

Feature Simple step and direction control interface5 different step resolutions full step 1 2 step 1 4 step 1 8 step and 1 16 stepIntelligent chopping control that automatically selects the correct current decay mode fast decay or slow decay Over temperature thermal shutdown under voltage lockout and crossover current protectionShort to ground and shorted load protectionAdjustable current control lets you set the maximum current output with a potentiometer which lets you use voltages above your stepper motor s rated voltage to achieve higher step rates Using the driver Power connections The driver requires a logical supply voltage 3 5 5 V to be connected across the VDD and GND pins and a motor supply voltage 8 35 V to be connected across VMOT and GND It can deliver up to appr 1 A per phase without a heat sink or forced air flow Motor connections 4 6 and 8 wire stepper motors can be driven by the A4988 if they are properly connected Package Included 1 x Stepper Motor Driver ModuleDetails Picture