1. It has provisions of Cartesian robots and extruder


2. Expand to control parts


3. MOSFET heater / fan output and three thermistor circuit


4. 5A extra safety and components protection


5. Extra bed heating control 11A fuse


6. Suitable 5 Pololu stepper driver board


7. Pololu board pin socket, so they can be easily replaced or removed for future design


8. I2C and SPI pins left for future expansion


9. All MOSFET PWM pin is universal


10. Servo connector for connection to the end stop, the motor and the light-emitting diodes


11. LED indicates when the heater output


12. Option 2 motors connected to Z Prusa Mendel