3D RAMP 1.4 Extend Shield Board + 5-A4988 Stepper Drivers for Arduino - Red
It has Cartesian robots and requirements of the extruder; Extended to control other accessories; Heater / fan output three thermistors circuit MOSFET; With 5A additional safety and component protection; Extra bed heating control 11A fuse; Suitable 5 Pololu stepper driver board; Pololu board pin socket easy to be replaced and removed; I2C and SPI pin for extended use; All MOSFET into PWM pins for versatility; Rated current: 3A; When LED indicates the heater output 2 motors can be connected to the Z Prusa Mendel.