Geekcreit CNC Shield + UNO R3 Board + 4 X DRV8825 Driver Kit For3D Printer

CNC Shield BoardVersion 3 0Color RedSize L W H 68 x 53 x 18 mmVoltage DC 12 36 VFeatures 1 Uses removable A4988 or DRV8825 compatible stepper drivers 2 The extension board can be used for carving machine 3 d printer driver expansion board3 GRBL 0 8 compatible Open source firmware that runs on anUNO that turns G code commands into stepper signals 4 PWM Spindle and direction pins 4 Axis support X Y Z A Can duplicate X Y Z or do a full 4th axis with custom firmware using pins D12 and D13 5 Compact design Stepper Motors can be connected with 4 pin molex connectors or soldered in place 6 Please note that this is an unassembled kit and Basic soldering skills are needed DRV8825 Stepper Motor DriverThe module has an interface pinout is almost the same with A4988 stepper motor drive carrier so that it can be used as a higher performance in a pull down menu the plates replaced in many applications DRV8825 features an adjustable current limit overcurrent and overtemperature protection six micro resolution down 1 32 step It uses 8 2 45V can provide up to about 1 5 per phase no heat sink or forced air flow rated up to 2 2 per volume sufficient additional cooling Features Simple step and direction control interfaceThe interface can connect directly with 3 3V and 5V systemsSupport over temperature thermal shutdown over current shutdown and under voltage lockoutSupport short to ground and shorted load protectionSix different step resolutions full step h