DollaTek StepStick 4 layer DRV8825 Stepper Motor Driver Module for 3D Printer Reprap RP A4988

Simple step and direction control interface Can interface directly with 3.3 V and 5 V systems Over-temperature thermal shutdown, over-current shutdown, and under-voltage lockout Short-to-ground and shorted-load protection 4-layer, 2 oz copper PCB for improved heat dissipation