It has Cartesian robots and requirements of the extruder.
Extended to control other accessories.
Heater / fan output and three thermistor circuit MOSFET.
Fusion 5A additional safety and component protection.
Extra bed heating control fuse 11A.
Suitable 5 Pololu stepper driver board.
Pololu board pin socket, so they can be easily replaced or removed for future designs.
I2C and SPI pins left for future expansion.
All MOSFET PWM pin is hooked into versatility.
Servo connector is used to connect to the end block, the motor and the light emitting diodes.
These connectors are gold-plated, rated current of 3A.
LED indicates when the heater output.
Option 2 motors connected to the Z Prusa Mendel.
1 x RAMPS 1.4 Control Board
5 x 4988 driver with heat sink